68162154 has 16 divisors (see below), whose sum is σ = 136428192. Its totient is φ = 22703408.

The previous prime is 68162153. The next prime is 68162161. The reversal of 68162154 is 45126186.

It is not an unprimeable number, because it can be changed into a prime (68162153) 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, 6157 + ... + 13199.

It is an arithmetic number, because the mean of its divisors is an integer number (8526762).

Almost surely, 2^68162154 is an apocalyptic number.

68162154 is an abundant number, since it is smaller than the sum of its proper divisors (68266038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68162154 is a wasteful number, since it uses less digits than its factorization.

68162154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661.

The product of its digits is 11520, while the sum is 33.

The square root of 68162154 is about 8256.0374272407. The cubic root of 68162154 is about 408.4896922042.

It can be divided in two parts, 681 and 62154, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 68162154 in words is "sixty-eight million, one hundred sixty-two thousand, one hundred fifty-four".