16696631040 has 288 divisors, whose sum is σ = 56371230720. Its totient is φ = 4203184128.

The previous prime is 16696631027. The next prime is 16696631053. The reversal of 16696631040 is 4013669661.

It is an interprime number because it is at equal distance from previous prime (16696631027) and next prime (16696631053).

It is a junction number, because it is equal to n+sod(n) for n = 16696630983 and 16696631001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6976084 + ... + 6978476.

It is an arithmetic number, because the mean of its divisors is an integer number (195733440).

Almost surely, 2^16696631040 is an apocalyptic number.

16696631040 is a gapful number since it is divisible by the number (10) 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 16696631040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28185615360).

16696631040 is an abundant number, since it is smaller than the sum of its proper divisors (39674599680).

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

16696631040 is a wasteful number, since it uses less digits than its factorization.

16696631040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 2505 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 16696631040 in words is "sixteen billion, six hundred ninety-six million, six hundred thirty-one thousand, forty".