166093690357 has 16 divisors (see below), whose sum is σ = 196582694400. Its totient is φ = 137305808640.

The previous prime is 166093690351. The next prime is 166093690387. The reversal of 166093690357 is 753096390661.

It is not a de Polignac number, because 166093690357 - 2⁷ = 166093690229 is a prime.

It is a super-2 number, since 2×166093690357² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 166093690298 and 166093690307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166093690351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264132 + ... + 633997.

It is an arithmetic number, because the mean of its divisors is an integer number (12286418400).

Almost surely, 2^166093690357 is an apocalyptic number.

It is an amenable number.

166093690357 is a deficient number, since it is larger than the sum of its proper divisors (30489004043).

166093690357 is an equidigital number, since it uses as much as digits as its factorization.

166093690357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899076.

The product of its (nonzero) digits is 5511240, while the sum is 55.

The spelling of 166093690357 in words is "one hundred sixty-six billion, ninety-three million, six hundred ninety thousand, three hundred fifty-seven".