1016587650 has 192 divisors, whose sum is σ = 2855817216. Its totient is φ = 237600000.

The previous prime is 1016587643. The next prime is 1016587667. The reversal of 1016587650 is 567856101.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1016587599 and 1016587608.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4050025 + ... + 4050275.

It is an arithmetic number, because the mean of its divisors is an integer number (14874048).

Almost surely, 2^1016587650 is an apocalyptic number.

1016587650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016587650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1427908608).

1016587650 is an abundant number, since it is smaller than the sum of its proper divisors (1839229566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1016587650 is a wasteful number, since it uses less digits than its factorization.

1016587650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 1016587650 is about 31883.9716785723. The cubic root of 1016587650 is about 1005.4989230858.

The spelling of 1016587650 in words is "one billion, sixteen million, five hundred eighty-seven thousand, six hundred fifty".