1610651262641 has 4 divisors (see below), whose sum is σ = 1680679578432. Its totient is φ = 1540622946852.

The previous prime is 1610651262559. The next prime is 1610651262679. The reversal of 1610651262641 is 1462621560161.

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 not a de Polignac number, because 1610651262641 - 2¹⁰ = 1610651261617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1610651262041) 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, 35014157861 + ... + 35014157906.

It is an arithmetic number, because the mean of its divisors is an integer number (420169894608).

Almost surely, 2^{1610651262641} is an apocalyptic number.

It is an amenable number.

1610651262641 is a deficient number, since it is larger than the sum of its proper divisors (70028315791).

1610651262641 is an equidigital number, since it uses as much as digits as its factorization.

1610651262641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70028315790.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 1610651262641 in words is "one trillion, six hundred ten billion, six hundred fifty-one million, two hundred sixty-two thousand, six hundred forty-one".