1316232154621 has 16 divisors (see below), whose sum is σ = 1405284249600. Its totient is φ = 1229164297200.

The previous prime is 1316232154619. The next prime is 1316232154649. The reversal of 1316232154621 is 1264512326131.

It is not a de Polignac number, because 1316232154621 - 2¹ = 1316232154619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316232154021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7356736 + ... + 7533526.

It is an arithmetic number, because the mean of its divisors is an integer number (87830265600).

Almost surely, 2^{1316232154621} is an apocalyptic number.

It is an amenable number.

1316232154621 is a deficient number, since it is larger than the sum of its proper divisors (89052094979).

1316232154621 is a wasteful number, since it uses less digits than its factorization.

1316232154621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182400.

The product of its digits is 51840, while the sum is 37.

The spelling of 1316232154621 in words is "one trillion, three hundred sixteen billion, two hundred thirty-two million, one hundred fifty-four thousand, six hundred twenty-one".