146643040621 has 32 divisors (see below), whose sum is σ = 194201273088. Its totient is φ = 107201802240.

The previous prime is 146643040589. The next prime is 146643040637. The reversal of 146643040621 is 126040346641.

It is a cyclic number.

It is not a de Polignac number, because 146643040621 - 2⁵ = 146643040589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146643043621) 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, 230761 + ... + 588673.

It is an arithmetic number, because the mean of its divisors is an integer number (6068789784).

Almost surely, 2^146643040621 is an apocalyptic number.

146643040621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146643040621 is a deficient number, since it is larger than the sum of its proper divisors (47558232467).

146643040621 is a wasteful number, since it uses less digits than its factorization.

146643040621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358261.

The product of its (nonzero) digits is 82944, while the sum is 37.

It can be divided in two parts, 1466430 and 40621, that added together give a palindrome (1507051).

The spelling of 146643040621 in words is "one hundred forty-six billion, six hundred forty-three million, forty thousand, six hundred twenty-one".