61746136150 has 48 divisors (see below), whose sum is σ = 116137352448. Its totient is φ = 24421860000.

The previous prime is 61746136139. The next prime is 61746136157. The reversal of 61746136150 is 5163164716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61746136157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3549975 + ... + 3567325.

It is an arithmetic number, because the mean of its divisors is an integer number (2419528176).

Almost surely, 2^61746136150 is an apocalyptic number.

61746136150 is a deficient number, since it is larger than the sum of its proper divisors (54391216298).

61746136150 is a wasteful number, since it uses less digits than its factorization.

61746136150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18157 (or 18152 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 61746136150 in words is "sixty-one billion, seven hundred forty-six million, one hundred thirty-six thousand, one hundred fifty".