146976322081 has 16 divisors (see below), whose sum is σ = 156168936000. Its totient is φ = 137934439488.

The previous prime is 146976322019. The next prime is 146976322093. The reversal of 146976322081 is 180223679641.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 146976322081 - 2¹³ = 146976313889 is a prime.

It is a super-2 number, since 2×146976322081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146976322981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986370 + ... + 1125556.

It is an arithmetic number, because the mean of its divisors is an integer number (9760558500).

Almost surely, 2^146976322081 is an apocalyptic number.

It is an amenable number.

146976322081 is a deficient number, since it is larger than the sum of its proper divisors (9192613919).

146976322081 is a wasteful number, since it uses less digits than its factorization.

146976322081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139728.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 146976322081 in words is "one hundred forty-six billion, nine hundred seventy-six million, three hundred twenty-two thousand, eighty-one".