981364617168 has 40 divisors (see below), whose sum is σ = 2730206693088. Its totient is φ = 301958343552.

The previous prime is 981364617091. The next prime is 981364617187. The reversal of 981364617168 is 861716463189.

It is a congruent number.

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, 786349230 + ... + 786350477.

Almost surely, 2^981364617168 is an apocalyptic number.

It is an amenable number.

981364617168 is an abundant number, since it is smaller than the sum of its proper divisors (1748842075920).

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

981364617168 is a wasteful number, since it uses less digits than its factorization.

981364617168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572699731 (or 1572699725 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 60.

The spelling of 981364617168 in words is "nine hundred eighty-one billion, three hundred sixty-four million, six hundred seventeen thousand, one hundred sixty-eight".