61492168 has 16 divisors (see below), whose sum is σ = 117751680. Its totient is φ = 30091728.

The previous prime is 61492159. The next prime is 61492181. The reversal of 61492168 is 86129416.

It is a happy number.

61492168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81396 + ... + 82147.

It is an arithmetic number, because the mean of its divisors is an integer number (7359480).

Almost surely, 2^61492168 is an apocalyptic number.

It is an amenable number.

61492168 is a deficient number, since it is larger than the sum of its proper divisors (56259512).

61492168 is a wasteful number, since it uses less digits than its factorization.

61492168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163596 (or 163592 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 61492168 is about 7841.6942046984. The cubic root of 61492168 is about 394.7055820273.

The spelling of 61492168 in words is "sixty-one million, four hundred ninety-two thousand, one hundred sixty-eight".