65274107099661 has 48 divisors (see below), whose sum is σ = 98666691342336. Its totient is φ = 41504593033728.

The previous prime is 65274107099647. The next prime is 65274107099689. The reversal of 65274107099661 is 16699070147256.

65274107099661 is a `hidden beast` number, since 6 + 5 + 2 + 7 + 410 + 70 + 9 + 96 + 61 = 666.

It is not a de Polignac number, because 65274107099661 - 2¹⁹ = 65274106575373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65274107099261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310438581 + ... + 310648773.

It is an arithmetic number, because the mean of its divisors is an integer number (2055556069632).

Almost surely, 2^{65274107099661} is an apocalyptic number.

It is an amenable number.

65274107099661 is a deficient number, since it is larger than the sum of its proper divisors (33392584242675).

65274107099661 is a wasteful number, since it uses less digits than its factorization.

65274107099661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214522 (or 214519 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 65274107099661 in words is "sixty-five trillion, two hundred seventy-four billion, one hundred seven million, ninety-nine thousand, six hundred sixty-one".