1164499157427 has 16 divisors (see below), whose sum is σ = 1620358933248. Its totient is φ = 742493834720.

The previous prime is 1164499157383. The next prime is 1164499157443. The reversal of 1164499157427 is 7247519944611.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1164499157427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1164499157467) 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, 362253 + ... + 1568510.

It is an arithmetic number, because the mean of its divisors is an integer number (101272433328).

Almost surely, 2^{1164499157427} is an apocalyptic number.

1164499157427 is a deficient number, since it is larger than the sum of its proper divisors (455859775821).

1164499157427 is a wasteful number, since it uses less digits than its factorization.

1164499157427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939530.

The product of its digits is 15240960, while the sum is 60.

The spelling of 1164499157427 in words is "one trillion, one hundred sixty-four billion, four hundred ninety-nine million, one hundred fifty-seven thousand, four hundred twenty-seven".