979163649145 has 32 divisors (see below), whose sum is σ = 1289080396800. Its totient is φ = 708091800000.

The previous prime is 979163649131. The next prime is 979163649193. The reversal of 979163649145 is 541946361979.

It is not a de Polignac number, because 979163649145 - 2²³ = 979155260537 is a prime.

It is a super-2 number, since 2×979163649145² (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 31 ways as a sum of consecutive naturals, for example, 8209990 + ... + 8328400.

It is an arithmetic number, because the mean of its divisors is an integer number (40283762400).

Almost surely, 2^979163649145 is an apocalyptic number.

It is an amenable number.

979163649145 is a deficient number, since it is larger than the sum of its proper divisors (309916747655).

979163649145 is a wasteful number, since it uses less digits than its factorization.

979163649145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119277.

The product of its digits is 44089920, while the sum is 64.

The spelling of 979163649145 in words is "nine hundred seventy-nine billion, one hundred sixty-three million, six hundred forty-nine thousand, one hundred forty-five".