162513997 has 8 divisors (see below), whose sum is σ = 168829952. Its totient is φ = 156265200.

The previous prime is 162513977. The next prime is 162514007. The reversal of 162513997 is 799315261.

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 162513997 - 2¹¹ = 162511949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162513977) 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, 11829 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (21103744).

Almost surely, 2^162513997 is an apocalyptic number.

It is an amenable number.

162513997 is a deficient number, since it is larger than the sum of its proper divisors (6315955).

162513997 is a wasteful number, since it uses less digits than its factorization.

162513997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33579.

The product of its digits is 102060, while the sum is 43.

The square root of 162513997 is about 12748.0977796689. The cubic root of 162513997 is about 545.7121090050.

The spelling of 162513997 in words is "one hundred sixty-two million, five hundred thirteen thousand, nine hundred ninety-seven".