146666644275 has 48 divisors (see below), whose sum is σ = 247452662016. Its totient is φ = 76625627520.

The previous prime is 146666644261. The next prime is 146666644321. The reversal of 146666644275 is 572446666641.

It is not a de Polignac number, because 146666644275 - 2⁴ = 146666644259 is a prime.

It is a super-2 number, since 2×146666644275² (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 47 ways as a sum of consecutive naturals, for example, 2527234 + ... + 2584616.

It is an arithmetic number, because the mean of its divisors is an integer number (5155263792).

Almost surely, 2^146666644275 is an apocalyptic number.

146666644275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

146666644275 is a deficient number, since it is larger than the sum of its proper divisors (100786017741).

146666644275 is a wasteful number, since it uses less digits than its factorization.

146666644275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58092 (or 58087 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 57.

The spelling of 146666644275 in words is "one hundred forty-six billion, six hundred sixty-six million, six hundred forty-four thousand, two hundred seventy-five".