42132166257 has 16 divisors (see below), whose sum is σ = 59582077632. Its totient is φ = 26390814720.

The previous prime is 42132166207. The next prime is 42132166283. The reversal of 42132166257 is 75266123124.

It is not a de Polignac number, because 42132166257 - 2⁷ = 42132166129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42132166207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673744 + ... + 733617.

It is an arithmetic number, because the mean of its divisors is an integer number (3723879852).

Almost surely, 2^42132166257 is an apocalyptic number.

It is an amenable number.

42132166257 is a deficient number, since it is larger than the sum of its proper divisors (17449911375).

42132166257 is a wasteful number, since it uses less digits than its factorization.

42132166257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407968.

The product of its digits is 120960, while the sum is 39.

It can be divided in two parts, 421321 and 66257, that added together give a triangular number (487578 = T₉₈₇).

The spelling of 42132166257 in words is "forty-two billion, one hundred thirty-two million, one hundred sixty-six thousand, two hundred fifty-seven".