156601420347 has 16 divisors (see below), whose sum is σ = 209210231808. Its totient is φ = 104196973920.

The previous prime is 156601420337. The next prime is 156601420363. The reversal of 156601420347 is 743024106651.

It is a happy number.

It is not a de Polignac number, because 156601420347 - 2⁷ = 156601420219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (156601420337) 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 15 ways as a sum of consecutive naturals, for example, 3318973 + ... + 3365825.

It is an arithmetic number, because the mean of its divisors is an integer number (13075639488).

Almost surely, 2^156601420347 is an apocalyptic number.

156601420347 is a deficient number, since it is larger than the sum of its proper divisors (52608811461).

156601420347 is a wasteful number, since it uses less digits than its factorization.

156601420347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49010.

The product of its (nonzero) digits is 120960, while the sum is 39.

Adding to 156601420347 its reverse (743024106651), we get a palindrome (899625526998).

The spelling of 156601420347 in words is "one hundred fifty-six billion, six hundred one million, four hundred twenty thousand, three hundred forty-seven".