61601006740 has 96 divisors (see below), whose sum is σ = 161913749760. Its totient is φ = 19165234176.

The previous prime is 61601006713. The next prime is 61601006767. The reversal of 61601006740 is 4760010616.

61601006740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61601006713) and next prime (61601006767).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179457 + ... + 394216.

It is an arithmetic number, because the mean of its divisors is an integer number (1686601560).

Almost surely, 2^61601006740 is an apocalyptic number.

It is an amenable number.

61601006740 is an abundant number, since it is smaller than the sum of its proper divisors (100312743020).

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

61601006740 is a wasteful number, since it uses less digits than its factorization.

61601006740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573761 (or 573759 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 61601006740 in words is "sixty-one billion, six hundred one million, six thousand, seven hundred forty".