61738408022061 has 8 divisors (see below), whose sum is σ = 82317944747584. Its totient is φ = 41158904988960.

The previous prime is 61738408022041. The next prime is 61738408022077. The reversal of 61738408022061 is 16022080483716.

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

It is not a de Polignac number, because 61738408022061 - 2¹¹ = 61738408020013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61738408022061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61738408022041) 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, 3782185 + ... + 11738046.

It is an arithmetic number, because the mean of its divisors is an integer number (10289743093448).

Almost surely, 2^{61738408022061} is an apocalyptic number.

It is an amenable number.

61738408022061 is a deficient number, since it is larger than the sum of its proper divisors (20579536725523).

61738408022061 is a wasteful number, since it uses less digits than its factorization.

61738408022061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16846211.

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 61738408022061 in words is "sixty-one trillion, seven hundred thirty-eight billion, four hundred eight million, twenty-two thousand, sixty-one".