157796464669 has 16 divisors (see below), whose sum is σ = 160057817920. Its totient is φ = 155549237760.

The previous prime is 157796464663. The next prime is 157796464699. The reversal of 157796464669 is 966464697751.

It is a cyclic number.

It is not a de Polignac number, because 157796464669 - 2³⁷ = 20357511197 is a prime.

It is a super-2 number, since 2×157796464669² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157796464598 and 157796464607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157796464663) 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, 32459299 + ... + 32464159.

It is an arithmetic number, because the mean of its divisors is an integer number (10003613620).

Almost surely, 2^157796464669 is an apocalyptic number.

It is an amenable number.

157796464669 is a deficient number, since it is larger than the sum of its proper divisors (2261353251).

157796464669 is an equidigital number, since it uses as much as digits as its factorization.

157796464669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220.

The product of its digits is 411505920, while the sum is 70.

The spelling of 157796464669 in words is "one hundred fifty-seven billion, seven hundred ninety-six million, four hundred sixty-four thousand, six hundred sixty-nine".