978159348966 has 16 divisors (see below), whose sum is σ = 2019425753088. Its totient is φ = 315535273800.

The previous prime is 978159348931. The next prime is 978159348983. The reversal of 978159348966 is 669843951879.

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, 2629460430 + ... + 2629460801.

It is an arithmetic number, because the mean of its divisors is an integer number (126214109568).

Almost surely, 2^978159348966 is an apocalyptic number.

978159348966 is an abundant number, since it is smaller than the sum of its proper divisors (1041266404122).

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

978159348966 is a wasteful number, since it uses less digits than its factorization.

978159348966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5258921267.

The product of its digits is 705438720, while the sum is 75.

The spelling of 978159348966 in words is "nine hundred seventy-eight billion, one hundred fifty-nine million, three hundred forty-eight thousand, nine hundred sixty-six".