1016061550 has 72 divisors (see below), whose sum is σ = 2209244760. Its totient is φ = 346651200.

The previous prime is 1016061533. The next prime is 1016061583. The reversal of 1016061550 is 551606101.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 560145 + ... + 561955.

It is an arithmetic number, because the mean of its divisors is an integer number (30683955).

Almost surely, 2^1016061550 is an apocalyptic number.

1016061550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1016061550 is an abundant number, since it is smaller than the sum of its proper divisors (1193183210).

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

1016061550 is a wasteful number, since it uses less digits than its factorization.

1016061550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1016061550 is about 31875.7203840164. The cubic root of 1016061550 is about 1005.3254393520.

Adding to 1016061550 its reverse (551606101), we get a palindrome (1567667651).

The spelling of 1016061550 in words is "one billion, sixteen million, sixty-one thousand, five hundred fifty".