274142741661 has 12 divisors (see below), whose sum is σ = 395988584992. Its totient is φ = 182759693256.

The previous prime is 274142741629. The next prime is 274142741699. The reversal of 274142741661 is 166147241472.

274142741661 is a `hidden beast` number, since 2 + 7 + 414 + 2 + 74 + 166 + 1 = 666.

It is not a de Polignac number, because 274142741661 - 2⁵ = 274142741629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274142741461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1185630 + ... + 1397856.

Almost surely, 2^274142741661 is an apocalyptic number.

It is an amenable number.

274142741661 is a deficient number, since it is larger than the sum of its proper divisors (121845843331).

274142741661 is a wasteful number, since it uses less digits than its factorization.

274142741661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355760 (or 355757 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The spelling of 274142741661 in words is "two hundred seventy-four billion, one hundred forty-two million, seven hundred forty-one thousand, six hundred sixty-one".