616066164 has 72 divisors (see below), whose sum is σ = 1823185728. Its totient is φ = 171722880.

The previous prime is 616066163. The next prime is 616066181. The reversal of 616066164 is 461660616.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616066163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19482 + ... + 40145.

It is an arithmetic number, because the mean of its divisors is an integer number (25322024).

Almost surely, 2^616066164 is an apocalyptic number.

It is an amenable number.

616066164 is an abundant number, since it is smaller than the sum of its proper divisors (1207119564).

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

616066164 is a wasteful number, since it uses less digits than its factorization.

616066164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59685 (or 59680 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 616066164 is about 24820.6801679567. The cubic root of 616066164 is about 850.8946354482.

The spelling of 616066164 in words is "six hundred sixteen million, sixty-six thousand, one hundred sixty-four".