61706555001 has 240 divisors, whose sum is σ = 123637497984. Its totient is φ = 30292061184.

The previous prime is 61706554993. The next prime is 61706555011. The reversal of 61706555001 is 10055560716.

It is not a de Polignac number, because 61706555001 - 2³ = 61706554993 is a prime.

It is a super-2 number, since 2×61706555001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61706555011) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 90346006 + ... + 90346688.

Almost surely, 2^61706555001 is an apocalyptic number.

It is an amenable number.

61706555001 is an abundant number, since it is smaller than the sum of its proper divisors (61930942983).

61706555001 is a wasteful number, since it uses less digits than its factorization.

61706555001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The spelling of 61706555001 in words is "sixty-one billion, seven hundred six million, five hundred fifty-five thousand, one".