264571157464652 has 6 divisors (see below), whose sum is σ = 462999525563148. Its totient is φ = 132285578732324.

The previous prime is 264571157464639. The next prime is 264571157464657. The reversal of 264571157464652 is 256464751175462.

It is a super-2 number, since 2×264571157464652² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264571157464657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33071394683078 + ... + 33071394683085.

It is an arithmetic number, because the mean of its divisors is an integer number (77166587593858).

Almost surely, 2^{264571157464652} is an apocalyptic number.

It is an amenable number.

264571157464652 is a deficient number, since it is larger than the sum of its proper divisors (198428368098496).

264571157464652 is a wasteful number, since it uses less digits than its factorization.

264571157464652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66142789366167 (or 66142789366165 counting only the distinct ones).

The product of its digits is 338688000, while the sum is 65.

The spelling of 264571157464652 in words is "two hundred sixty-four trillion, five hundred seventy-one billion, one hundred fifty-seven million, four hundred sixty-four thousand, six hundred fifty-two".