616265130 has 64 divisors (see below), whose sum is σ = 1686521088. Its totient is φ = 142771200.

The previous prime is 616265119. The next prime is 616265131. The reversal of 616265130 is 31562616.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (616265131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39846 + ... + 53105.

It is an arithmetic number, because the mean of its divisors is an integer number (26351892).

Almost surely, 2^616265130 is an apocalyptic number.

616265130 is an abundant number, since it is smaller than the sum of its proper divisors (1070255958).

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

616265130 is a wasteful number, since it uses less digits than its factorization.

616265130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92991.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 616265130 is about 24824.6879134462. The cubic root of 616265130 is about 850.9862278179.

The spelling of 616265130 in words is "six hundred sixteen million, two hundred sixty-five thousand, one hundred thirty".