201016236543564 has 24 divisors (see below), whose sum is σ = 505117722597040. Its totient is φ = 61851149705664.

The previous prime is 201016236543553. The next prime is 201016236543587. The reversal of 201016236543564 is 465345632610102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644282809279 + ... + 644282809590.

Almost surely, 2^{201016236543564} is an apocalyptic number.

It is an amenable number.

201016236543564 is an abundant number, since it is smaller than the sum of its proper divisors (304101486053476).

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

201016236543564 is a wasteful number, since it uses less digits than its factorization.

201016236543564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288565618889 (or 1288565618887 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 201016236543564 in words is "two hundred one trillion, sixteen billion, two hundred thirty-six million, five hundred forty-three thousand, five hundred sixty-four".