52261662516 has 96 divisors (see below), whose sum is σ = 140367360000. Its totient is φ = 14824833408.

The previous prime is 52261662487. The next prime is 52261662517. The reversal of 52261662516 is 61526616225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52261662517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7002795 + ... + 7010253.

It is an arithmetic number, because the mean of its divisors is an integer number (1462160000).

Almost surely, 2^52261662516 is an apocalyptic number.

It is an amenable number.

52261662516 is an abundant number, since it is smaller than the sum of its proper divisors (88105697484).

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

52261662516 is a wasteful number, since it uses less digits than its factorization.

52261662516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8061 (or 8059 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The spelling of 52261662516 in words is "fifty-two billion, two hundred sixty-one million, six hundred sixty-two thousand, five hundred sixteen".