716616155 has 4 divisors (see below), whose sum is σ = 859939392. Its totient is φ = 573292920.

The previous prime is 716616149. The next prime is 716616167. The reversal of 716616155 is 551616617.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 716616155 - 2¹⁰ = 716615131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71661611 + ... + 71661620.

It is an arithmetic number, because the mean of its divisors is an integer number (214984848).

Almost surely, 2^716616155 is an apocalyptic number.

716616155 is a deficient number, since it is larger than the sum of its proper divisors (143323237).

716616155 is a wasteful number, since it uses less digits than its factorization.

716616155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143323236.

The product of its digits is 37800, while the sum is 38.

The square root of 716616155 is about 26769.6872413557. The cubic root of 716616155 is about 894.8746347090.

The spelling of 716616155 in words is "seven hundred sixteen million, six hundred sixteen thousand, one hundred fifty-five".