166590177357 has 8 divisors (see below), whose sum is σ = 222423268384. Its totient is φ = 110908602288.

The previous prime is 166590177331. The next prime is 166590177367. The reversal of 166590177357 is 753771095661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-166590177357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166590177297 and 166590177306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166590177367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37876423 + ... + 37880820.

It is an arithmetic number, because the mean of its divisors is an integer number (27802908548).

Almost surely, 2^166590177357 is an apocalyptic number.

It is an amenable number.

166590177357 is a deficient number, since it is larger than the sum of its proper divisors (55833091027).

166590177357 is an equidigital number, since it uses as much as digits as its factorization.

166590177357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75757979.

The product of its (nonzero) digits is 8334900, while the sum is 57.

The spelling of 166590177357 in words is "one hundred sixty-six billion, five hundred ninety million, one hundred seventy-seven thousand, three hundred fifty-seven".