162204992451 has 14 divisors (see below), whose sum is σ = 243196238060. Its totient is φ = 108136661148.

The previous prime is 162204992423. The next prime is 162204992459. The reversal of 162204992451 is 154299402261.

It is not a de Polignac number, because 162204992451 - 2⁹ = 162204991939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 162204992397 and 162204992406.

It is not an unprimeable number, because it can be changed into a prime (162204992459) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 111250981 + ... + 111252438.

Almost surely, 2^162204992451 is an apocalyptic number.

162204992451 is a deficient number, since it is larger than the sum of its proper divisors (80991245609).

162204992451 is an frugal number, since it uses more digits than its factorization.

162204992451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222503437 (or 222503422 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 162204992451 in words is "one hundred sixty-two billion, two hundred four million, nine hundred ninety-two thousand, four hundred fifty-one".