49078166 has 4 divisors (see below), whose sum is σ = 73617252. Its totient is φ = 24539082.

The previous prime is 49078157. The next prime is 49078181. The reversal of 49078166 is 66187094.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12269540 + ... + 12269543.

It is an arithmetic number, because the mean of its divisors is an integer number (18404313).

Almost surely, 2^49078166 is an apocalyptic number.

49078166 is a deficient number, since it is larger than the sum of its proper divisors (24539086).

49078166 is a wasteful number, since it uses less digits than its factorization.

49078166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24539085.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 49078166 is about 7005.5810608400. The cubic root of 49078166 is about 366.1250480969.

The spelling of 49078166 in words is "forty-nine million, seventy-eight thousand, one hundred sixty-six".