155967272349 has 8 divisors (see below), whose sum is σ = 237664415040. Its totient is φ = 89124155616.

The previous prime is 155967272317. The next prime is 155967272353. The reversal of 155967272349 is 943272769551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 155967272349 - 2⁵ = 155967272317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155967272292 and 155967272301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155967272359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3713506464 + ... + 3713506505.

It is an arithmetic number, because the mean of its divisors is an integer number (29708051880).

Almost surely, 2^155967272349 is an apocalyptic number.

It is an amenable number.

155967272349 is a deficient number, since it is larger than the sum of its proper divisors (81697142691).

155967272349 is an equidigital number, since it uses as much as digits as its factorization.

155967272349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7427012979.

The product of its digits is 28576800, while the sum is 60.

The spelling of 155967272349 in words is "one hundred fifty-five billion, nine hundred sixty-seven million, two hundred seventy-two thousand, three hundred forty-nine".