146660646 has 32 divisors (see below), whose sum is σ = 326032128. Its totient is φ = 43603040.

The previous prime is 146660629. The next prime is 146660663. The reversal of 146660646 is 646066641.

146660646 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (146660629) and next prime (146660663).

It is a super-3 number, since 3×146660646³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17466 + ... + 24461.

It is an arithmetic number, because the mean of its divisors is an integer number (10188504).

Almost surely, 2^146660646 is an apocalyptic number.

146660646 is an abundant number, since it is smaller than the sum of its proper divisors (179371482).

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

146660646 is a wasteful number, since it uses less digits than its factorization.

146660646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41996.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 146660646 is about 12110.3528437449. The cubic root of 146660646 is about 527.3567767016.

The spelling of 146660646 in words is "one hundred forty-six million, six hundred sixty thousand, six hundred forty-six".