10261564664 has 16 divisors (see below), whose sum is σ = 20720467320. Its totient is φ = 4736106720.

The previous prime is 10261564657. The next prime is 10261564679. The reversal of 10261564664 is 46646516201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49334342 + ... + 49334549.

Almost surely, 2^10261564664 is an apocalyptic number.

It is an amenable number.

10261564664 is an abundant number, since it is smaller than the sum of its proper divisors (10458902656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10261564664 is a wasteful number, since it uses less digits than its factorization.

10261564664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98668910 (or 98668906 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 10261564664 in words is "ten billion, two hundred sixty-one million, five hundred sixty-four thousand, six hundred sixty-four".