36621554456061 has 32 divisors (see below), whose sum is σ = 54609400264320. Its totient is φ = 24254872088832.

The previous prime is 36621554456023. The next prime is 36621554456083. The reversal of 36621554456061 is 16065445512663.

36621554456061 is a `hidden beast` number, since 3 + 6 + 6 + 2 + 15 + 5 + 4 + 4 + 560 + 61 = 666.

It is not a de Polignac number, because 36621554456061 - 2⁷ = 36621554455933 is a prime.

It is a super-2 number, since 2×36621554456061² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36621554455989 and 36621554456007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36621554456161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1407420 + ... + 8673173.

It is an arithmetic number, because the mean of its divisors is an integer number (1706543758260).

Almost surely, 2^{36621554456061} is an apocalyptic number.

It is an amenable number.

36621554456061 is a deficient number, since it is larger than the sum of its proper divisors (17987845808259).

36621554456061 is a wasteful number, since it uses less digits than its factorization.

36621554456061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081482 (or 10081476 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 54.

The spelling of 36621554456061 in words is "thirty-six trillion, six hundred twenty-one billion, five hundred fifty-four million, four hundred fifty-six thousand, sixty-one".