64460466261 has 48 divisors (see below), whose sum is σ = 105237325440. Its totient is φ = 37777259520.

The previous prime is 64460466247. The next prime is 64460466263. The reversal of 64460466261 is 16266406446.

It is not a de Polignac number, because 64460466261 - 2¹⁸ = 64460204117 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64460466263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50241 + ... + 362553.

It is an arithmetic number, because the mean of its divisors is an integer number (2192444280).

Almost surely, 2^64460466261 is an apocalyptic number.

It is an amenable number.

64460466261 is a deficient number, since it is larger than the sum of its proper divisors (40776859179).

64460466261 is a wasteful number, since it uses less digits than its factorization.

64460466261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312426 (or 312423 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 64460466261 in words is "sixty-four billion, four hundred sixty million, four hundred sixty-six thousand, two hundred sixty-one".