166090934101 has 4 divisors (see below), whose sum is σ = 168430243104. Its totient is φ = 163751625100.

The previous prime is 166090934069. The next prime is 166090934153. The reversal of 166090934101 is 101439090661.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 166090934101 - 2⁵ = 166090934069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166000934101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1169654395 + ... + 1169654536.

It is an arithmetic number, because the mean of its divisors is an integer number (42107560776).

Almost surely, 2^166090934101 is an apocalyptic number.

It is an amenable number.

166090934101 is a deficient number, since it is larger than the sum of its proper divisors (2339309003).

166090934101 is an equidigital number, since it uses as much as digits as its factorization.

166090934101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339309002.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 166090934101 in words is "one hundred sixty-six billion, ninety million, nine hundred thirty-four thousand, one hundred one".