162654451 has 4 divisors (see below), whose sum is σ = 166115232. Its totient is φ = 159193672.

The previous prime is 162654449. The next prime is 162654461. The reversal of 162654451 is 154456261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162654451 - 2¹ = 162654449 is a prime.

It is a super-2 number, since 2×162654451² = 52912940860222802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162654461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1730320 + ... + 1730413.

It is an arithmetic number, because the mean of its divisors is an integer number (41528808).

Almost surely, 2^162654451 is an apocalyptic number.

162654451 is a deficient number, since it is larger than the sum of its proper divisors (3460781).

162654451 is an equidigital number, since it uses as much as digits as its factorization.

162654451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460780.

The product of its digits is 28800, while the sum is 34.

The square root of 162654451 is about 12753.6054118041. The cubic root of 162654451 is about 545.8692757302.

The spelling of 162654451 in words is "one hundred sixty-two million, six hundred fifty-four thousand, four hundred fifty-one".