61690002307105 has 8 divisors (see below), whose sum is σ = 74048004953064. Its totient is φ = 49338667056000.

The previous prime is 61690002307103. The next prime is 61690002307163. The reversal of 61690002307105 is 50170320009616.

It can be written as a sum of positive squares in 4 ways, for example, as 1104831121 + 61688897475984 = 33239^2 + 7854228^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61690002307105 - 2¹ = 61690002307103 is a prime.

It is a super-3 number, since 3×61690002307105³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61690002307103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666828356 + ... + 1666865365.

It is an arithmetic number, because the mean of its divisors is an integer number (9256000619133).

Almost surely, 2^{61690002307105} is an apocalyptic number.

It is an amenable number.

61690002307105 is a deficient number, since it is larger than the sum of its proper divisors (12358002645959).

61690002307105 is a wasteful number, since it uses less digits than its factorization.

61690002307105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3333697427.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 61690002307105 in words is "sixty-one trillion, six hundred ninety billion, two million, three hundred seven thousand, one hundred five".