189162567361 has 4 divisors (see below), whose sum is σ = 189163925424. Its totient is φ = 189161209300.

The previous prime is 189162567359. The next prime is 189162567371. The reversal of 189162567361 is 163765261981.

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 189162567361 - 2¹ = 189162567359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189162567311) 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, 442675 + ... + 757816.

It is an arithmetic number, because the mean of its divisors is an integer number (47290981356).

Almost surely, 2^189162567361 is an apocalyptic number.

It is an amenable number.

189162567361 is a deficient number, since it is larger than the sum of its proper divisors (1358063).

189162567361 is a wasteful number, since it uses less digits than its factorization.

189162567361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358062.

The product of its digits is 3265920, while the sum is 55.

The spelling of 189162567361 in words is "one hundred eighty-nine billion, one hundred sixty-two million, five hundred sixty-seven thousand, three hundred sixty-one".