61360251164 has 24 divisors (see below), whose sum is σ = 109447925328. Its totient is φ = 30089854080.

The previous prime is 61360251151. The next prime is 61360251167. The reversal of 61360251164 is 46115206316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61360251167) 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, 520424 + ... + 627344.

It is an arithmetic number, because the mean of its divisors is an integer number (4560330222).

Almost surely, 2^61360251164 is an apocalyptic number.

It is an amenable number.

61360251164 is a deficient number, since it is larger than the sum of its proper divisors (48087674164).

61360251164 is a wasteful number, since it uses less digits than its factorization.

61360251164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109685 (or 109683 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 61360251164 in words is "sixty-one billion, three hundred sixty million, two hundred fifty-one thousand, one hundred sixty-four".