146659956641 has 32 divisors (see below), whose sum is σ = 171297939456. Its totient is φ = 124089120000.

The previous prime is 146659956593. The next prime is 146659956647.

146659956641 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 146659956641 - 2²⁶ = 146592847777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146659956647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6285206 + ... + 6308496.

It is an arithmetic number, because the mean of its divisors is an integer number (5353060608).

Almost surely, 2^146659956641 is an apocalyptic number.

146659956641 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146659956641 is a deficient number, since it is larger than the sum of its proper divisors (24637982815).

146659956641 is a wasteful number, since it uses less digits than its factorization.

146659956641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23693.

The product of its digits is 41990400, while the sum is 62.

The spelling of 146659956641 in words is "one hundred forty-six billion, six hundred fifty-nine million, nine hundred fifty-six thousand, six hundred forty-one".