61612270844610 has 64 divisors (see below), whose sum is σ = 151223802094080. Its totient is φ = 16061351404800.

The previous prime is 61612270844599. The next prime is 61612270844611. The reversal of 61612270844610 is 1644807221616.

It is a self number, because there is not a number n which added to its sum of digits gives 61612270844610.

It is not an unprimeable number, because it can be changed into a prime (61612270844611) 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 31 ways as a sum of consecutive naturals, for example, 128457357 + ... + 128936096.

It is an arithmetic number, because the mean of its divisors is an integer number (2362871907720).

Almost surely, 2^{61612270844610} is an apocalyptic number.

61612270844610 is an abundant number, since it is smaller than the sum of its proper divisors (89611531249470).

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

61612270844610 is a wasteful number, since it uses less digits than its factorization.

61612270844610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257393643.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 61612270844610 in words is "sixty-one trillion, six hundred twelve billion, two hundred seventy million, eight hundred forty-four thousand, six hundred ten".