62661642865038 has 288 divisors, whose sum is σ = 165950909429760. Its totient is φ = 17666532112320.

The previous prime is 62661642865013. The next prime is 62661642865043. The reversal of 62661642865038 is 83056824616626.

It is a happy number.

62661642865038 is a `hidden beast` number, since 6 + 2 + 6 + 6 + 1 + 6 + 42 + 86 + 503 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3636555883 + ... + 3636573113.

It is an arithmetic number, because the mean of its divisors is an integer number (576218435520).

Almost surely, 2^{62661642865038} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62661642865038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82975454714880).

62661642865038 is an abundant number, since it is smaller than the sum of its proper divisors (103289266564722).

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

62661642865038 is a wasteful number, since it uses less digits than its factorization.

62661642865038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19274 (or 19255 counting only the distinct ones).

The product of its (nonzero) digits is 119439360, while the sum is 63.

The spelling of 62661642865038 in words is "sixty-two trillion, six hundred sixty-one billion, six hundred forty-two million, eight hundred sixty-five thousand, thirty-eight".