162154397 has 8 divisors (see below), whose sum is σ = 167703552. Its totient is φ = 156625200.

The previous prime is 162154337. The next prime is 162154423. The reversal of 162154397 is 793451261.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 162154397 - 2¹⁴ = 162138013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 162154397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162154337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12572 + ... + 21962.

It is an arithmetic number, because the mean of its divisors is an integer number (20962944).

Almost surely, 2^162154397 is an apocalyptic number.

It is an amenable number.

162154397 is a deficient number, since it is larger than the sum of its proper divisors (5549155).

162154397 is an equidigital number, since it uses as much as digits as its factorization.

162154397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9979.

The product of its digits is 45360, while the sum is 38.

The square root of 162154397 is about 12733.9859038716. The cubic root of 162154397 is about 545.3093067910.

The spelling of 162154397 in words is "one hundred sixty-two million, one hundred fifty-four thousand, three hundred ninety-seven".