16315823970 has 24 divisors (see below), whose sum is σ = 42421142556. Its totient is φ = 4350886368.

The previous prime is 16315823969. The next prime is 16315823971. The reversal of 16315823970 is 7932851361.

16315823970 is a `hidden beast` number, since 1 + 6 + 31 + 582 + 39 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (16315823969) and next prime (16315823971).

It can be written as a sum of positive squares in 2 ways, for example, as 15145978761 + 1169845209 = 123069^2 + 34203^2 .

It is a super-2 number, since 2×16315823970² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16315823971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90643377 + ... + 90643556.

Almost surely, 2^16315823970 is an apocalyptic number.

16315823970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16315823970 is an abundant number, since it is smaller than the sum of its proper divisors (26105318586).

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

16315823970 is a wasteful number, since it uses less digits than its factorization.

16315823970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181286946 (or 181286943 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 16315823970 in words is "sixteen billion, three hundred fifteen million, eight hundred twenty-three thousand, nine hundred seventy".