61267460155074 has 96 divisors (see below), whose sum is σ = 138696714059904. Its totient is φ = 19509320413440.

The previous prime is 61267460155061. The next prime is 61267460155133. The reversal of 61267460155074 is 47055106476216.

61267460155074 is a `hidden beast` number, since 6 + 1 + 2 + 6 + 74 + 60 + 1 + 5 + 507 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61267460155074.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2538729912 + ... + 2538754044.

It is an arithmetic number, because the mean of its divisors is an integer number (1444757438124).

Almost surely, 2^{61267460155074} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61267460155074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69348357029952).

61267460155074 is an abundant number, since it is smaller than the sum of its proper divisors (77429253904830).

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

61267460155074 is a wasteful number, since it uses less digits than its factorization.

61267460155074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31832 (or 31829 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 54.

The spelling of 61267460155074 in words is "sixty-one trillion, two hundred sixty-seven billion, four hundred sixty million, one hundred fifty-five thousand, seventy-four".