216523800754 has 32 divisors (see below), whose sum is σ = 356823622656. Its totient is φ = 98095656960.

The previous prime is 216523800697. The next prime is 216523800781. The reversal of 216523800754 is 457008325612.

It is a self number, because there is not a number n which added to its sum of digits gives 216523800754.

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, 328782 + ... + 735625.

It is an arithmetic number, because the mean of its divisors is an integer number (11150738208).

Almost surely, 2^216523800754 is an apocalyptic number.

216523800754 is a deficient number, since it is larger than the sum of its proper divisors (140299821902).

216523800754 is a wasteful number, since it uses less digits than its factorization.

216523800754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064650.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 216523800754 in words is "two hundred sixteen billion, five hundred twenty-three million, eight hundred thousand, seven hundred fifty-four".