620161332 has 24 divisors (see below), whose sum is σ = 1653763776. Its totient is φ = 177188928.

The previous prime is 620161327. The next prime is 620161361. The reversal of 620161332 is 233161026.

It is a happy number.

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, 3691353 + ... + 3691520.

It is an arithmetic number, because the mean of its divisors is an integer number (68906824).

Almost surely, 2^620161332 is an apocalyptic number.

It is an amenable number.

620161332 is an abundant number, since it is smaller than the sum of its proper divisors (1033602444).

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

620161332 is a wasteful number, since it uses less digits than its factorization.

620161332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382887 (or 7382885 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 620161332 is about 24903.0386097761. The cubic root of 620161332 is about 852.7758532594.

The spelling of 620161332 in words is "six hundred twenty million, one hundred sixty-one thousand, three hundred thirty-two".