64030940061 has 8 divisors (see below), whose sum is σ = 93135912864. Its totient is φ = 38806630320.

The previous prime is 64030940059. The next prime is 64030940087. The reversal of 64030940061 is 16004903046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64030940061 - 2¹ = 64030940059 is a prime.

It is a super-2 number, since 2×64030940061² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1940331517 = 64030940061 / (6 + 4 + 0 + 3 + 0 + 9 + 4 + 0 + 0 + 6 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64030940161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970165726 + ... + 970165791.

It is an arithmetic number, because the mean of its divisors is an integer number (11641989108).

Almost surely, 2^64030940061 is an apocalyptic number.

It is an amenable number.

64030940061 is a deficient number, since it is larger than the sum of its proper divisors (29104972803).

64030940061 is a wasteful number, since it uses less digits than its factorization.

64030940061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940331531.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 64030940061 in words is "sixty-four billion, thirty million, nine hundred forty thousand, sixty-one".