162997233 has 8 divisors (see below), whose sum is σ = 248376768. Its totient is φ = 93141264.

The previous prime is 162997223. The next prime is 162997259. The reversal of 162997233 is 332799261.

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

It is not a de Polignac number, because 162997233 - 2⁶ = 162997169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162997223) 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, 3880866 + ... + 3880907.

It is an arithmetic number, because the mean of its divisors is an integer number (31047096).

Almost surely, 2^162997233 is an apocalyptic number.

It is an amenable number.

162997233 is a deficient number, since it is larger than the sum of its proper divisors (85379535).

162997233 is an equidigital number, since it uses as much as digits as its factorization.

162997233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7761783.

The product of its digits is 122472, while the sum is 42.

The square root of 162997233 is about 12767.0369702606. The cubic root of 162997233 is about 546.2524661308.

It can be divided in two parts, 16299 and 7233, that added together give a palindrome (23532).

The spelling of 162997233 in words is "one hundred sixty-two million, nine hundred ninety-seven thousand, two hundred thirty-three".