49215166 has 96 divisors (see below), whose sum is σ = 104564736. Its totient is φ = 16848000.

The previous prime is 49215137. The next prime is 49215169. The reversal of 49215166 is 66151294.

Together with 55349570 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49215169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 806776 + ... + 806836.

It is an arithmetic number, because the mean of its divisors is an integer number (1089216).

Almost surely, 2^49215166 is an apocalyptic number.

49215166 is an abundant number, since it is smaller than the sum of its proper divisors (55349570).

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

49215166 is a wasteful number, since it uses less digits than its factorization.

49215166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 125 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 49215166 is about 7015.3521650734. The cubic root of 49215166 is about 366.4654067222.

The spelling of 49215166 in words is "forty-nine million, two hundred fifteen thousand, one hundred sixty-six".