156748638 has 16 divisors (see below), whose sum is σ = 313687296. Its totient is φ = 52217880.

The previous prime is 156748633. The next prime is 156748673. The reversal of 156748638 is 836847651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156748633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4245 + ... + 18207.

It is an arithmetic number, because the mean of its divisors is an integer number (19605456).

Almost surely, 2^156748638 is an apocalyptic number.

156748638 is an abundant number, since it is smaller than the sum of its proper divisors (156938658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156748638 is a wasteful number, since it uses less digits than its factorization.

156748638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15839.

The product of its digits is 967680, while the sum is 48.

The square root of 156748638 is about 12519.9296323901. The cubic root of 156748638 is about 539.1810150393.

It can be divided in two parts, 1567 and 48638, that added together give a palindrome (50205).

The spelling of 156748638 in words is "one hundred fifty-six million, seven hundred forty-eight thousand, six hundred thirty-eight".