16961517250 has 64 divisors (see below), whose sum is σ = 32452992000. Its totient is φ = 6636427200.

The previous prime is 16961517241. The next prime is 16961517257. The reversal of 16961517250 is 5271516961.

It is a junction number, because it is equal to n+sod(n) for n = 16961517197 and 16961517206.

It is not an unprimeable number, because it can be changed into a prime (16961517257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2148811 + ... + 2156689.

It is an arithmetic number, because the mean of its divisors is an integer number (507078000).

Almost surely, 2^16961517250 is an apocalyptic number.

16961517250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16961517250 is a deficient number, since it is larger than the sum of its proper divisors (15491474750).

16961517250 is a wasteful number, since it uses less digits than its factorization.

16961517250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084 (or 8074 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 16961517250 in words is "sixteen billion, nine hundred sixty-one million, five hundred seventeen thousand, two hundred fifty".