106177776161 has 4 divisors (see below), whose sum is σ = 106179706800. Its totient is φ = 106175845524.

The previous prime is 106177776149. The next prime is 106177776167. The reversal of 106177776161 is 161677771601.

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 106177776161 - 2⁶ = 106177776097 is a prime.

It is a super-2 number, since 2×106177776161² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106177776167) 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, 880331 + ... + 993648.

It is an arithmetic number, because the mean of its divisors is an integer number (26544926700).

Almost surely, 2^106177776161 is an apocalyptic number.

It is an amenable number.

106177776161 is a deficient number, since it is larger than the sum of its proper divisors (1930639).

106177776161 is an equidigital number, since it uses as much as digits as its factorization.

106177776161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930638.

The product of its (nonzero) digits is 518616, while the sum is 50.

The spelling of 106177776161 in words is "one hundred six billion, one hundred seventy-seven million, seven hundred seventy-six thousand, one hundred sixty-one".