61162098075 has 144 divisors (see below), whose sum is σ = 125474469120. Its totient is φ = 28212387840.

The previous prime is 61162098043. The next prime is 61162098077. The reversal of 61162098075 is 57089026116.

61162098075 is a `hidden beast` number, since 6 + 11 + 620 + 9 + 8 + 0 + 7 + 5 = 666.

It is not a de Polignac number, because 61162098075 - 2⁵ = 61162098043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 61162098075.

It is not an unprimeable number, because it can be changed into a prime (61162098077) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11583286 + ... + 11588564.

It is an arithmetic number, because the mean of its divisors is an integer number (871350480).

Almost surely, 2^61162098075 is an apocalyptic number.

61162098075 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61162098075 is an abundant number, since it is smaller than the sum of its proper divisors (64312371045).

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

61162098075 is a wasteful number, since it uses less digits than its factorization.

61162098075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558 (or 5550 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 61162098075 in words is "sixty-one billion, one hundred sixty-two million, ninety-eight thousand, seventy-five".