61801922082 has 16 divisors (see below), whose sum is σ = 123613146720. Its totient is φ = 20599090272.

The previous prime is 61801922057. The next prime is 61801922107. The reversal of 61801922082 is 28022910816.

It is an interprime number because it is at equal distance from previous prime (61801922057) and next prime (61801922107).

It is a self number, because there is not a number n which added to its sum of digits gives 61801922082.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299707 + ... + 461982.

It is an arithmetic number, because the mean of its divisors is an integer number (7725821670).

Almost surely, 2^61801922082 is an apocalyptic number.

61801922082 is an abundant number, since it is smaller than the sum of its proper divisors (61811224638).

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

61801922082 is a wasteful number, since it uses less digits than its factorization.

61801922082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775217.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 61801922082 in words is "sixty-one billion, eight hundred one million, nine hundred twenty-two thousand, eighty-two".