61065164061 has 32 divisors (see below), whose sum is σ = 98705577600. Its totient is φ = 37003789440.

The previous prime is 61065164029. The next prime is 61065164087. The reversal of 61065164061 is 16046156016.

It is a happy number.

61065164061 is a `hidden beast` number, since 6 + 1 + 0 + 6 + 5 + 1 + 640 + 6 + 1 = 666.

It is not a de Polignac number, because 61065164061 - 2⁵ = 61065164029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61065164011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3135225 + ... + 3154641.

It is an arithmetic number, because the mean of its divisors is an integer number (3084549300).

Almost surely, 2^61065164061 is an apocalyptic number.

It is an amenable number.

61065164061 is a deficient number, since it is larger than the sum of its proper divisors (37640413539).

61065164061 is a wasteful number, since it uses less digits than its factorization.

61065164061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30026 (or 30020 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 61065164061 in words is "sixty-one billion, sixty-five million, one hundred sixty-four thousand, sixty-one".