162221139743 has 16 divisors (see below), whose sum is σ = 176129135616. Its totient is φ = 148518074880.

The previous prime is 162221139697. The next prime is 162221139761. The reversal of 162221139743 is 347931122261.

It is a cyclic number.

It is not a de Polignac number, because 162221139743 - 2²⁴ = 162204362527 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162221139743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162221159743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6150023 + ... + 6176343.

It is an arithmetic number, because the mean of its divisors is an integer number (11008070976).

Almost surely, 2^162221139743 is an apocalyptic number.

162221139743 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

162221139743 is a deficient number, since it is larger than the sum of its proper divisors (13907995873).

162221139743 is a wasteful number, since it uses less digits than its factorization.

162221139743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30194.

The product of its digits is 108864, while the sum is 41.

The spelling of 162221139743 in words is "one hundred sixty-two billion, two hundred twenty-one million, one hundred thirty-nine thousand, seven hundred forty-three".