1596816971401 has 4 divisors (see below), whose sum is σ = 1613279002132. Its totient is φ = 1580354940672.

The previous prime is 1596816971381. The next prime is 1596816971437. The reversal of 1596816971401 is 1041796186951.

It is a happy number.

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 1316710350400 + 280106621001 = 1147480^2 + 529251^2 .

It is not a de Polignac number, because 1596816971401 - 2⁵ = 1596816971369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1596816978401) 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, 8231015220 + ... + 8231015413.

It is an arithmetic number, because the mean of its divisors is an integer number (403319750533).

Almost surely, 2^{1596816971401} is an apocalyptic number.

It is an amenable number.

1596816971401 is a deficient number, since it is larger than the sum of its proper divisors (16462030731).

1596816971401 is an equidigital number, since it uses as much as digits as its factorization.

1596816971401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16462030730.

The product of its (nonzero) digits is 3265920, while the sum is 58.

The spelling of 1596816971401 in words is "one trillion, five hundred ninety-six billion, eight hundred sixteen million, nine hundred seventy-one thousand, four hundred one".