61165561082 has 8 divisors (see below), whose sum is σ = 91756016352. Its totient is φ = 30580222300.

The previous prime is 61165561081. The next prime is 61165561153. The reversal of 61165561082 is 28016556116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61165561081) 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 3 ways as a sum of consecutive naturals, for example, 1249094 + ... + 1297137.

It is an arithmetic number, because the mean of its divisors is an integer number (11469502044).

Almost surely, 2^61165561082 is an apocalyptic number.

61165561082 is a deficient number, since it is larger than the sum of its proper divisors (30590455270).

61165561082 is a wasteful number, since it uses less digits than its factorization.

61165561082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558244.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 61165561082 in words is "sixty-one billion, one hundred sixty-five million, five hundred sixty-one thousand, eighty-two".