275626216368 has 80 divisors (see below), whose sum is σ = 791660684640. Its totient is φ = 91816022016.

The previous prime is 275626216361. The next prime is 275626216379. The reversal of 275626216368 is 863612626572.

275626216368 is a `hidden beast` number, since 2 + 7 + 5 + 6 + 2 + 621 + 6 + 3 + 6 + 8 = 666.

It is a super-2 number, since 2×275626216368² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (275626216361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465480 + ... + 876312.

It is an arithmetic number, because the mean of its divisors is an integer number (9895758558).

Almost surely, 2^275626216368 is an apocalyptic number.

It is an amenable number.

275626216368 is an abundant number, since it is smaller than the sum of its proper divisors (516034468272).

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

275626216368 is a wasteful number, since it uses less digits than its factorization.

275626216368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412403 (or 412391 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 275626216368 in words is "two hundred seventy-five billion, six hundred twenty-six million, two hundred sixteen thousand, three hundred sixty-eight".