16981625350 has 24 divisors (see below), whose sum is σ = 31593477888. Its totient is φ = 6791004000.

The previous prime is 16981625341. The next prime is 16981625369. The reversal of 16981625350 is 5352618961.

It is a self number, because there is not a number n which added to its sum of digits gives 16981625350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178875 + ... + 256825.

It is an arithmetic number, because the mean of its divisors is an integer number (1316394912).

Almost surely, 2^16981625350 is an apocalyptic number.

16981625350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16981625350 is a deficient number, since it is larger than the sum of its proper divisors (14611852538).

16981625350 is a wasteful number, since it uses less digits than its factorization.

16981625350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82320 (or 82315 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 16981625350 in words is "sixteen billion, nine hundred eighty-one million, six hundred twenty-five thousand, three hundred fifty".