971619077164 has 6 divisors (see below), whose sum is σ = 1700333385044. Its totient is φ = 485809538580.

The previous prime is 971619077141. The next prime is 971619077237. The reversal of 971619077164 is 461770916179.

It is a super-2 number, since 2×971619077164² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 971619077099 and 971619077108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121452384642 + ... + 121452384649.

Almost surely, 2^971619077164 is an apocalyptic number.

It is an amenable number.

971619077164 is a deficient number, since it is larger than the sum of its proper divisors (728714307880).

971619077164 is a wasteful number, since it uses less digits than its factorization.

971619077164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242904769295 (or 242904769293 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 58.

The spelling of 971619077164 in words is "nine hundred seventy-one billion, six hundred nineteen million, seventy-seven thousand, one hundred sixty-four".