266930972952 has 64 divisors (see below), whose sum is σ = 762730214400. Its totient is φ = 76258963200.

The previous prime is 266930972947. The next prime is 266930973041. The reversal of 266930972952 is 259279039662.

It is a super-2 number, since 2×266930972952² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1915249 + ... + 2049887.

It is an arithmetic number, because the mean of its divisors is an integer number (11917659600).

Almost surely, 2^266930972952 is an apocalyptic number.

It is an amenable number.

266930972952 is an abundant number, since it is smaller than the sum of its proper divisors (495799241448).

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

266930972952 is a wasteful number, since it uses less digits than its factorization.

266930972952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146456 (or 146452 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 60.

The spelling of 266930972952 in words is "two hundred sixty-six billion, nine hundred thirty million, nine hundred seventy-two thousand, nine hundred fifty-two".