104156115241661 has 16 divisors (see below), whose sum is σ = 126375554663424. Its totient is φ = 83799832967424.

The previous prime is 104156115241657. The next prime is 104156115241681. The reversal of 104156115241661 is 166142511651401.

It is not a de Polignac number, because 104156115241661 - 2² = 104156115241657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104156115241631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173228365 + ... + 1173317138.

It is an arithmetic number, because the mean of its divisors is an integer number (7898472166464).

Almost surely, 2^{104156115241661} is an apocalyptic number.

It is an amenable number.

104156115241661 is a deficient number, since it is larger than the sum of its proper divisors (22219439421763).

104156115241661 is a wasteful number, since it uses less digits than its factorization.

104156115241661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346545900.

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 104156115241661 in words is "one hundred four trillion, one hundred fifty-six billion, one hundred fifteen million, two hundred forty-one thousand, six hundred sixty-one".