162190431612109 has 4 divisors (see below), whose sum is σ = 162208608291616. Its totient is φ = 162172254932604.

The previous prime is 162190431612103. The next prime is 162190431612127. The reversal of 162190431612109 is 901216134091261.

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 162190431612109 - 2¹¹ = 162190431610061 is a prime.

It is a super-2 number, since 2×162190431612109² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162190431612103) 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, 9088326369 + ... + 9088344214.

It is an arithmetic number, because the mean of its divisors is an integer number (40552152072904).

Almost surely, 2^{162190431612109} is an apocalyptic number.

It is an amenable number.

162190431612109 is a deficient number, since it is larger than the sum of its proper divisors (18176679507).

162190431612109 is an equidigital number, since it uses as much as digits as its factorization.

162190431612109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18176679506.

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 162190431612109 in words is "one hundred sixty-two trillion, one hundred ninety billion, four hundred thirty-one million, six hundred twelve thousand, one hundred nine".