156748746393 has 6 divisors (see below), whose sum is σ = 226414855914. Its totient is φ = 104499164256.

The previous prime is 156748746391. The next prime is 156748746403. The reversal of 156748746393 is 393647847651.

It is a happy number.

156748746393 is a `hidden beast` number, since 1 + 5 + 6 + 7 + 4 + 87 + 463 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103665968784 + 53082777609 = 321972^2 + 230397^2 .

It is not a de Polignac number, because 156748746393 - 2¹ = 156748746391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 156748746393.

It is not an unprimeable number, because it can be changed into a prime (156748746391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8708263680 + ... + 8708263697.

It is an arithmetic number, because the mean of its divisors is an integer number (37735809319).

Almost surely, 2^156748746393 is an apocalyptic number.

It is an amenable number.

156748746393 is a deficient number, since it is larger than the sum of its proper divisors (69666109521).

156748746393 is a wasteful number, since it uses less digits than its factorization.

156748746393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17416527383 (or 17416527380 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 63.

The spelling of 156748746393 in words is "one hundred fifty-six billion, seven hundred forty-eight million, seven hundred forty-six thousand, three hundred ninety-three".