146640673644436 has 24 divisors (see below), whose sum is σ = 258322011292800. Its totient is φ = 72834389796000.

The previous prime is 146640673644347. The next prime is 146640673644473. The reversal of 146640673644436 is 634446376046641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140569290 + ... + 141608638.

It is an arithmetic number, because the mean of its divisors is an integer number (10763417137200).

Almost surely, 2^{146640673644436} is an apocalyptic number.

It is an amenable number.

146640673644436 is a deficient number, since it is larger than the sum of its proper divisors (111681337648364).

146640673644436 is a wasteful number, since it uses less digits than its factorization.

146640673644436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273095 (or 1273093 counting only the distinct ones).

The product of its (nonzero) digits is 501645312, while the sum is 64.

The spelling of 146640673644436 in words is "one hundred forty-six trillion, six hundred forty billion, six hundred seventy-three million, six hundred forty-four thousand, four hundred thirty-six".