652121552166 has 32 divisors (see below), whose sum is σ = 1491359543808. Its totient is φ = 186220944000.

The previous prime is 652121552153. The next prime is 652121552171. The reversal of 652121552166 is 661255121256.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 4066210 + ... + 4223541.

It is an arithmetic number, because the mean of its divisors is an integer number (46604985744).

Almost surely, 2^652121552166 is an apocalyptic number.

652121552166 is an abundant number, since it is smaller than the sum of its proper divisors (839237991642).

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

652121552166 is a wasteful number, since it uses less digits than its factorization.

652121552166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8291636.

The product of its digits is 216000, while the sum is 42.

The spelling of 652121552166 in words is "six hundred fifty-two billion, one hundred twenty-one million, five hundred fifty-two thousand, one hundred sixty-six".