601660701497 has 4 divisors (see below), whose sum is σ = 601708506660. Its totient is φ = 601612896336.

The previous prime is 601660701469. The next prime is 601660701511. The reversal of 601660701497 is 794107066106.

601660701497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24279560761 + 577381140736 = 155819^2 + 759856^2 .

It is a cyclic number.

It is not a de Polignac number, because 601660701497 - 2³² = 597365734201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (601660701427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23883698 + ... + 23908875.

It is an arithmetic number, because the mean of its divisors is an integer number (150427126665).

Almost surely, 2^601660701497 is an apocalyptic number.

It is an amenable number.

601660701497 is a deficient number, since it is larger than the sum of its proper divisors (47805163).

601660701497 is a wasteful number, since it uses less digits than its factorization.

601660701497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47805162.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 601660701497 in words is "six hundred one billion, six hundred sixty million, seven hundred one thousand, four hundred ninety-seven".