61290168 has 32 divisors (see below), whose sum is σ = 162239760. Its totient is φ = 19228160.

The previous prime is 61290157. The next prime is 61290191. The reversal of 61290168 is 86109216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74703 + ... + 75518.

Almost surely, 2^61290168 is an apocalyptic number.

61290168 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

61290168 is an abundant number, since it is smaller than the sum of its proper divisors (100949592).

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

61290168 is a wasteful number, since it uses less digits than its factorization.

61290168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150247 (or 150243 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 61290168 is about 7828.8037400359. The cubic root of 61290168 is about 394.2729090869.

The spelling of 61290168 in words is "sixty-one million, two hundred ninety thousand, one hundred sixty-eight".