977608168016 has 10 divisors (see below), whose sum is σ = 1894115825562. Its totient is φ = 488804084000.

The previous prime is 977608168013. The next prime is 977608168027. The reversal of 977608168016 is 610861806779.

It can be written as a sum of positive squares in only one way, i.e., 594447168016 + 383161000000 = 771004^2 + 619000^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (977608168013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30550255235 + ... + 30550255266.

Almost surely, 2^977608168016 is an apocalyptic number.

It is an amenable number.

977608168016 is a deficient number, since it is larger than the sum of its proper divisors (916507657546).

977608168016 is a wasteful number, since it uses less digits than its factorization.

977608168016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61100510509 (or 61100510503 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 977608168016 in words is "nine hundred seventy-seven billion, six hundred eight million, one hundred sixty-eight thousand, sixteen".