33977103161 has 4 divisors (see below), whose sum is σ = 33977672592. Its totient is φ = 33976533732.

The previous prime is 33977103157. The next prime is 33977103169. The reversal of 33977103161 is 16130177933.

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 33977103161 - 2² = 33977103157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33977103169) 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, 183131 + ... + 318576.

It is an arithmetic number, because the mean of its divisors is an integer number (8494418148).

Almost surely, 2^33977103161 is an apocalyptic number.

It is an amenable number.

33977103161 is a deficient number, since it is larger than the sum of its proper divisors (569431).

33977103161 is an equidigital number, since it uses as much as digits as its factorization.

33977103161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569430.

The product of its (nonzero) digits is 71442, while the sum is 41.

The spelling of 33977103161 in words is "thirty-three billion, nine hundred seventy-seven million, one hundred three thousand, one hundred sixty-one".