718951401516 has 24 divisors (see below), whose sum is σ = 1677832519104. Its totient is φ = 239610574480.

The previous prime is 718951401491. The next prime is 718951401523. The reversal of 718951401516 is 615104159817.

718951401516 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×718951401516² (a number of 25 digits) contains 22 as substring.

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, 4911450 + ... + 5055713.

It is an arithmetic number, because the mean of its divisors is an integer number (69909688296).

Almost surely, 2^718951401516 is an apocalyptic number.

It is an amenable number.

718951401516 is an abundant number, since it is smaller than the sum of its proper divisors (958881117588).

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

718951401516 is a wasteful number, since it uses less digits than its factorization.

718951401516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973181 (or 9973179 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 48.

The spelling of 718951401516 in words is "seven hundred eighteen billion, nine hundred fifty-one million, four hundred one thousand, five hundred sixteen".