61854168 has 32 divisors (see below), whose sum is σ = 155151360. Its totient is φ = 20549280.

The previous prime is 61854161. The next prime is 61854193. The reversal of 61854168 is 86145816.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61854161) 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, 3321 + ... + 11607.

It is an arithmetic number, because the mean of its divisors is an integer number (4848480).

Almost surely, 2^61854168 is an apocalyptic number.

It is an amenable number.

61854168 is an abundant number, since it is smaller than the sum of its proper divisors (93297192).

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

61854168 is a wasteful number, since it uses less digits than its factorization.

61854168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8607 (or 8603 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 61854168 is about 7864.7420809585. The cubic root of 61854168 is about 395.4786016233.

The spelling of 61854168 in words is "sixty-one million, eight hundred fifty-four thousand, one hundred sixty-eight".