1601105166155 has 16 divisors (see below), whose sum is σ = 2140587800064. Its totient is φ = 1139664797280.

The previous prime is 1601105166137. The next prime is 1601105166179. The reversal of 1601105166155 is 5516615011061.

It is a happy number.

It is not a de Polignac number, because 1601105166155 - 2⁶ = 1601105166091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309688937 + ... + 309694106.

It is an arithmetic number, because the mean of its divisors is an integer number (133786737504).

Almost surely, 2^{1601105166155} is an apocalyptic number.

1601105166155 is a deficient number, since it is larger than the sum of its proper divisors (539482633909).

1601105166155 is a wasteful number, since it uses less digits than its factorization.

1601105166155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619383106.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 1601105166155 in words is "one trillion, six hundred one billion, one hundred five million, one hundred sixty-six thousand, one hundred fifty-five".