61712011626 has 16 divisors (see below), whose sum is σ = 123725798400. Its totient is φ = 20520374688.

The previous prime is 61712011619. The next prime is 61712011633. The reversal of 61712011626 is 62611021716.

61712011626 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 (61712011619) and next prime (61712011633).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12571306 + ... + 12576213.

It is an arithmetic number, because the mean of its divisors is an integer number (7732862400).

Almost surely, 2^61712011626 is an apocalyptic number.

61712011626 is an abundant number, since it is smaller than the sum of its proper divisors (62013786774).

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

61712011626 is a wasteful number, since it uses less digits than its factorization.

61712011626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25147933.

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 61712011626 in words is "sixty-one billion, seven hundred twelve million, eleven thousand, six hundred twenty-six".