161775884973034 has 64 divisors (see below), whose sum is σ = 252313439063040. Its totient is φ = 77711488335360.

The previous prime is 161775884972909. The next prime is 161775884973047. The reversal of 161775884973034 is 430379488577161.

It is a happy number.

It is a super-3 number, since 3×161775884973034³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29721820717 + ... + 29721826159.

It is an arithmetic number, because the mean of its divisors is an integer number (3942397485360).

Almost surely, 2^{161775884973034} is an apocalyptic number.

161775884973034 is a deficient number, since it is larger than the sum of its proper divisors (90537554090006).

161775884973034 is a wasteful number, since it uses less digits than its factorization.

161775884973034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375.

The product of its (nonzero) digits is 853493760, while the sum is 73.

The spelling of 161775884973034 in words is "one hundred sixty-one trillion, seven hundred seventy-five billion, eight hundred eighty-four million, nine hundred seventy-three thousand, thirty-four".