616671506 has 16 divisors (see below), whose sum is σ = 1018899648. Its totient is φ = 277582800.

The previous prime is 616671493. The next prime is 616671511. The reversal of 616671506 is 605176616.

It is a self number, because there is not a number n which added to its sum of digits gives 616671506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133805 + ... + 138336.

It is an arithmetic number, because the mean of its divisors is an integer number (63681228).

Almost surely, 2^616671506 is an apocalyptic number.

616671506 is a deficient number, since it is larger than the sum of its proper divisors (402228142).

616671506 is a wasteful number, since it uses less digits than its factorization.

616671506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272257.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 616671506 is about 24832.8714811638. The cubic root of 616671506 is about 851.1732384496.

The spelling of 616671506 in words is "six hundred sixteen million, six hundred seventy-one thousand, five hundred six".