61170717221070 has 16 divisors (see below), whose sum is σ = 146809721330640. Its totient is φ = 16312191258944.

The previous prime is 61170717220967. The next prime is 61170717221083. The reversal of 61170717221070 is 7012271707116.

It is a super-3 number, since 3×61170717221070³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019511953655 + ... + 1019511953714.

It is an arithmetic number, because the mean of its divisors is an integer number (9175607583165).

Almost surely, 2^{61170717221070} is an apocalyptic number.

61170717221070 is an abundant number, since it is smaller than the sum of its proper divisors (85639004109570).

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

61170717221070 is a wasteful number, since it uses less digits than its factorization.

61170717221070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2039023907379.

The product of its (nonzero) digits is 57624, while the sum is 42.

Adding to 61170717221070 its reverse (7012271707116), we get a palindrome (68182988928186).

The spelling of 61170717221070 in words is "sixty-one trillion, one hundred seventy billion, seven hundred seventeen million, two hundred twenty-one thousand, seventy".