36866868688550 has 48 divisors (see below), whose sum is σ = 68728546850400. Its totient is φ = 14713165608960.

The previous prime is 36866868688457. The next prime is 36866868688561. The reversal of 36866868688550 is 5588686866863.

It is a super-2 number, since 2×36866868688550² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (83) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 757820327 + ... + 757868973.

It is an arithmetic number, because the mean of its divisors is an integer number (1431844726050).

Almost surely, 2^{36866868688550} is an apocalyptic number.

36866868688550 is a deficient number, since it is larger than the sum of its proper divisors (31861678161850).

36866868688550 is a wasteful number, since it uses less digits than its factorization.

36866868688550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82865 (or 82860 counting only the distinct ones).

The product of its (nonzero) digits is 19110297600, while the sum is 83.

The spelling of 36866868688550 in words is "thirty-six trillion, eight hundred sixty-six billion, eight hundred sixty-eight million, six hundred eighty-eight thousand, five hundred fifty".