201616612052 has 24 divisors (see below), whose sum is σ = 356181053760. Its totient is φ = 99854981120.

The previous prime is 201616612031. The next prime is 201616612069. The reversal of 201616612052 is 250216616102.

It is a congruent number.

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, 363824 + ... + 731847.

It is an arithmetic number, because the mean of its divisors is an integer number (14840877240).

Almost surely, 2^201616612052 is an apocalyptic number.

It is an amenable number.

201616612052 is a deficient number, since it is larger than the sum of its proper divisors (154564441708).

201616612052 is a wasteful number, since it uses less digits than its factorization.

201616612052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096111 (or 1096109 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 201616612052 in words is "two hundred one billion, six hundred sixteen million, six hundred twelve thousand, fifty-two".