2460312321661 has 4 divisors (see below), whose sum is σ = 2460336071872. Its totient is φ = 2460288571452.

The previous prime is 2460312321611. The next prime is 2460312321679. The reversal of 2460312321661 is 1661232130642.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2460312321661 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 2460312321661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2460312321611) 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, 11719035 + ... + 11927128.

It is an arithmetic number, because the mean of its divisors is an integer number (615084017968).

Almost surely, 2^{2460312321661} is an apocalyptic number.

It is an amenable number.

2460312321661 is a deficient number, since it is larger than the sum of its proper divisors (23750211).

2460312321661 is a wasteful number, since it uses less digits than its factorization.

2460312321661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23750210.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 2460312321661 in words is "two trillion, four hundred sixty billion, three hundred twelve million, three hundred twenty-one thousand, six hundred sixty-one".