16915072944 has 320 divisors, whose sum is σ = 56067268608. Its totient is φ = 4267468800.

The previous prime is 16915072883. The next prime is 16915072949. The reversal of 16915072944 is 44927051961.

It is a happy number.

It is a super-2 number, since 2×16915072944² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 16915072893 and 16915072902.

It is not an unprimeable number, because it can be changed into a prime (16915072949) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19155927 + ... + 19156809.

Almost surely, 2^16915072944 is an apocalyptic number.

16915072944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16915072944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28033634304).

16915072944 is an abundant number, since it is smaller than the sum of its proper divisors (39152195664).

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

16915072944 is a wasteful number, since it uses less digits than its factorization.

16915072944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 16915072944 in words is "sixteen billion, nine hundred fifteen million, seventy-two thousand, nine hundred forty-four".