616552156 has 12 divisors (see below), whose sum is σ = 1177054200. Its totient is φ = 280250960.

The previous prime is 616552121. The next prime is 616552159. The reversal of 616552156 is 651255616.

It is a super-2 number, since 2×616552156² = 760273122136496672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616552159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7006231 + ... + 7006318.

It is an arithmetic number, because the mean of its divisors is an integer number (98087850).

Almost surely, 2^616552156 is an apocalyptic number.

It is an amenable number.

616552156 is a deficient number, since it is larger than the sum of its proper divisors (560502044).

616552156 is a wasteful number, since it uses less digits than its factorization.

616552156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14012564 (or 14012562 counting only the distinct ones).

The product of its digits is 54000, while the sum is 37.

The square root of 616552156 is about 24830.4683000543. The cubic root of 616552156 is about 851.1183231614.

The spelling of 616552156 in words is "six hundred sixteen million, five hundred fifty-two thousand, one hundred fifty-six".