61633226016 has 36 divisors (see below), whose sum is σ = 175269487302. Its totient is φ = 20544408576.

The previous prime is 61633225999. The next prime is 61633226023. The reversal of 61633226016 is 61062233616.

61633226016 is a `hidden beast` number, since 6 + 1 + 633 + 2 + 2 + 6 + 0 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61494080400 + 139145616 = 247980^2 + 11796^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 107001841 + ... + 107002416.

Almost surely, 2^61633226016 is an apocalyptic number.

It is an amenable number.

61633226016 is an abundant number, since it is smaller than the sum of its proper divisors (113636261286).

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

61633226016 is a wasteful number, since it uses less digits than its factorization.

61633226016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214004273 (or 214004262 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The spelling of 61633226016 in words is "sixty-one billion, six hundred thirty-three million, two hundred twenty-six thousand, sixteen".