616135970 has 16 divisors (see below), whose sum is σ = 1109491128. Its totient is φ = 246355200.

The previous prime is 616135969. The next prime is 616135999. The reversal of 616135970 is 79531616.

616135970 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 530887681 + 85248289 = 23041^2 + 9233^2 .

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, 17012 + ... + 39008.

Almost surely, 2^616135970 is an apocalyptic number.

616135970 is a deficient number, since it is larger than the sum of its proper divisors (493355158).

616135970 is a wasteful number, since it uses less digits than its factorization.

616135970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24805.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 616135970 is about 24822.0863345529. The cubic root of 616135970 is about 850.9267723143.

The spelling of 616135970 in words is "six hundred sixteen million, one hundred thirty-five thousand, nine hundred seventy".