616672140 has 48 divisors (see below), whose sum is σ = 1973352192. Its totient is φ = 140953536.

The previous prime is 616672123. The next prime is 616672157. The reversal of 616672140 is 41276616.

It is an interprime number because it is at equal distance from previous prime (616672123) and next prime (616672157).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733714 + ... + 734553.

It is an arithmetic number, because the mean of its divisors is an integer number (41111504).

Almost surely, 2^616672140 is an apocalyptic number.

616672140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616672140 is an abundant number, since it is smaller than the sum of its proper divisors (1356680052).

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

616672140 is a wasteful number, since it uses less digits than its factorization.

616672140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468286 (or 1468284 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 616672140 is about 24832.8842464986. The cubic root of 616672140 is about 851.1735301466.

The spelling of 616672140 in words is "six hundred sixteen million, six hundred seventy-two thousand, one hundred forty".