61057631665166 has 8 divisors (see below), whose sum is σ = 91784258400864. Its totient is φ = 30462878864880.

The previous prime is 61057631665109. The next prime is 61057631665183. The reversal of 61057631665166 is 66156613675016.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32968482695 + ... + 32968484546.

It is an arithmetic number, because the mean of its divisors is an integer number (11473032300108).

Almost surely, 2^{61057631665166} is an apocalyptic number.

61057631665166 is a deficient number, since it is larger than the sum of its proper divisors (30726626735698).

61057631665166 is a wasteful number, since it uses less digits than its factorization.

61057631665166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65936967706.

The product of its (nonzero) digits is 24494400, while the sum is 59.

The spelling of 61057631665166 in words is "sixty-one trillion, fifty-seven billion, six hundred thirty-one million, six hundred sixty-five thousand, one hundred sixty-six".