61690474626901 has 8 divisors (see below), whose sum is σ = 61809338075904. Its totient is φ = 61571612924640.

The previous prime is 61690474626877. The next prime is 61690474626923. The reversal of 61690474626901 is 10962647409616.

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

It is a cyclic number.

It is not a de Polignac number, because 61690474626901 - 2¹³ = 61690474618709 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 61690474626901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61690474126901) 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, 87168796 + ... + 87873658.

It is an arithmetic number, because the mean of its divisors is an integer number (7726167259488).

Almost surely, 2^{61690474626901} is an apocalyptic number.

It is an amenable number.

61690474626901 is a deficient number, since it is larger than the sum of its proper divisors (118863449003).

61690474626901 is a wasteful number, since it uses less digits than its factorization.

61690474626901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873371.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 61690474626901 in words is "sixty-one trillion, six hundred ninety billion, four hundred seventy-four million, six hundred twenty-six thousand, nine hundred one".