549795162078 has 12 divisors (see below), whose sum is σ = 1191222851208. Its totient is φ = 183265054020.

The previous prime is 549795162067. The next prime is 549795162089. The reversal of 549795162078 is 870261597945.

549795162078 is a `hidden beast` number, since 5 + 4 + 97 + 9 + 516 + 20 + 7 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (549795162067) and next prime (549795162089).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15272087818 + ... + 15272087853.

It is an arithmetic number, because the mean of its divisors is an integer number (99268570934).

Almost surely, 2^549795162078 is an apocalyptic number.

549795162078 is an abundant number, since it is smaller than the sum of its proper divisors (641427689130).

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

549795162078 is a wasteful number, since it uses less digits than its factorization.

549795162078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30544175679 (or 30544175676 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 549795162078 in words is "five hundred forty-nine billion, seven hundred ninety-five million, one hundred sixty-two thousand, seventy-eight".