61683017227 has 8 divisors (see below), whose sum is σ = 66429795600. Its totient is φ = 56936514720.

The previous prime is 61683017173. The next prime is 61683017257. The reversal of 61683017227 is 72271038616.

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

It is a cyclic number.

It is not a de Polignac number, because 61683017227 - 2³¹ = 59535533579 is a prime.

It is a super-2 number, since 2×61683017227² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61683017257) 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, 817977 + ... + 890197.

It is an arithmetic number, because the mean of its divisors is an integer number (8303724450).

Almost surely, 2^61683017227 is an apocalyptic number.

61683017227 is a deficient number, since it is larger than the sum of its proper divisors (4746778373).

61683017227 is a wasteful number, since it uses less digits than its factorization.

61683017227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137933.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 61683017227 in words is "sixty-one billion, six hundred eighty-three million, seventeen thousand, two hundred twenty-seven".