16863690052 has 48 divisors (see below), whose sum is σ = 32985614592. Its totient is φ = 7477966080.

The previous prime is 16863690017. The next prime is 16863690083. The reversal of 16863690052 is 25009636861.

It is a junction number, because it is equal to n+sod(n) for n = 16863689984 and 16863690011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634258 + ... + 660310.

It is an arithmetic number, because the mean of its divisors is an integer number (687200304).

Almost surely, 2^16863690052 is an apocalyptic number.

It is an amenable number.

16863690052 is a deficient number, since it is larger than the sum of its proper divisors (16121924540).

16863690052 is a wasteful number, since it uses less digits than its factorization.

16863690052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26428 (or 26426 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 16863690052 in words is "sixteen billion, eight hundred sixty-three million, six hundred ninety thousand, fifty-two".