146673486864 has 120 divisors (see below), whose sum is σ = 415981629440. Its totient is φ = 48237037056.

The previous prime is 146673486859. The next prime is 146673486881. The reversal of 146673486864 is 468684376641.

It is a happy number.

146673486864 is a `hidden beast` number, since 1 + 4 + 6 + 6 + 73 + 486 + 86 + 4 = 666.

It is a super-2 number, since 2×146673486864² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18914412 + ... + 18922164.

Almost surely, 2^146673486864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146673486864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207990814720).

146673486864 is an abundant number, since it is smaller than the sum of its proper divisors (269308142576).

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

146673486864 is a wasteful number, since it uses less digits than its factorization.

146673486864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9509 (or 9500 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 63.

The spelling of 146673486864 in words is "one hundred forty-six billion, six hundred seventy-three million, four hundred eighty-six thousand, eight hundred sixty-four".