345216177601 has 3 divisors (see below), whose sum is σ = 345216765153. Its totient is φ = 345215590050.

The previous prime is 345216177533. The next prime is 345216177623. The reversal of 345216177601 is 106771612543.

The square root of 345216177601 is 587551.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 345216177601 - 2²⁵ = 345182623169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345216177301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 293776 + ... + 881326.

It is an arithmetic number, because the mean of its divisors is an integer number (115072255051).

Almost surely, 2^345216177601 is an apocalyptic number.

345216177601 is the 587551-st square number.

345216177601 is the 293776-th centered octagonal number.

It is an amenable number.

345216177601 is a deficient number, since it is larger than the sum of its proper divisors (587552).

345216177601 is an frugal number, since it uses more digits than its factorization.

345216177601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175102 (or 587551 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 345216177601 in words is "three hundred forty-five billion, two hundred sixteen million, one hundred seventy-seven thousand, six hundred one".