1016371620 has 72 divisors (see below), whose sum is σ = 3363272640. Its totient is φ = 246392640.

The previous prime is 1016371589. The next prime is 1016371649. The reversal of 1016371620 is 261736101.

1016371620 is a `hidden beast` number, since 1 + 0 + 1 + 6 + 37 + 1 + 620 = 666.

It is a super-2 number, since 2×1016371620² = 2066022539882848800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254680 + ... + 258639.

It is an arithmetic number, because the mean of its divisors is an integer number (46712120).

Almost surely, 2^1016371620 is an apocalyptic number.

1016371620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1016371620 is an abundant number, since it is smaller than the sum of its proper divisors (2346901020).

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

1016371620 is a wasteful number, since it uses less digits than its factorization.

1016371620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513345 (or 513340 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1016371620 is about 31880.5837462240. The cubic root of 1016371620 is about 1005.4276935101.

The spelling of 1016371620 in words is "one billion, sixteen million, three hundred seventy-one thousand, six hundred twenty".