162312553 has 8 divisors (see below), whose sum is σ = 178096968. Its totient is φ = 146999424.

The previous prime is 162312551. The next prime is 162312569. The reversal of 162312553 is 355213261.

162312553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2214144 + 160098409 = 1488^2 + 12653^2 .

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

It is not a de Polignac number, because 162312553 - 2¹ = 162312551 is a prime.

It is a super-2 number, since 2×162312553² = 52690729722755618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162312551) 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, 117100 + ... + 118477.

It is an arithmetic number, because the mean of its divisors is an integer number (22262121).

Almost surely, 2^162312553 is an apocalyptic number.

162312553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

162312553 is a deficient number, since it is larger than the sum of its proper divisors (15784415).

162312553 is a wasteful number, since it uses less digits than its factorization.

162312553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235643.

The product of its digits is 5400, while the sum is 28.

The square root of 162312553 is about 12740.1943862721. The cubic root of 162312553 is about 545.4865368804.

It can be divided in two parts, 1623125 and 53, that multiplied together give a square (86025625 = 9275²).

The spelling of 162312553 in words is "one hundred sixty-two million, three hundred twelve thousand, five hundred fifty-three".