1610401323001 has 4 divisors (see below), whose sum is σ = 1611061055604. Its totient is φ = 1609741590400.

The previous prime is 1610401322909. The next prime is 1610401323017. The reversal of 1610401323001 is 1003231040161.

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 475486098025 + 1134915224976 = 689555^2 + 1065324^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610401323001 - 2¹¹ = 1610401320953 is a prime.

It is a super-2 number, since 2×1610401323001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1610401323701) 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, 329862640 + ... + 329867521.

It is an arithmetic number, because the mean of its divisors is an integer number (402765263901).

Almost surely, 2^{1610401323001} is an apocalyptic number.

It is an amenable number.

1610401323001 is a deficient number, since it is larger than the sum of its proper divisors (659732603).

1610401323001 is an equidigital number, since it uses as much as digits as its factorization.

1610401323001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659732602.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1610401323001 its reverse (1003231040161), we get a palindrome (2613632363162).

The spelling of 1610401323001 in words is "one trillion, six hundred ten billion, four hundred one million, three hundred twenty-three thousand, one".