264400766061 has 8 divisors (see below), whose sum is σ = 352537577280. Its totient is φ = 176265566112.

The previous prime is 264400766027. The next prime is 264400766107. The reversal of 264400766061 is 160667004462.

It is a happy number.

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

It is not a de Polignac number, because 264400766061 - 2⁹ = 264400765549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264400766761) 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, 54120 + ... + 729198.

It is an arithmetic number, because the mean of its divisors is an integer number (44067197160).

Almost surely, 2^264400766061 is an apocalyptic number.

It is an amenable number.

264400766061 is a deficient number, since it is larger than the sum of its proper divisors (88136811219).

264400766061 is a wasteful number, since it uses less digits than its factorization.

264400766061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805635.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 264400766061 in words is "two hundred sixty-four billion, four hundred million, seven hundred sixty-six thousand, sixty-one".