156507401049 has 8 divisors (see below), whose sum is σ = 209023752672. Its totient is φ = 104164658400.

The previous prime is 156507401021. The next prime is 156507401051. The reversal of 156507401049 is 940104705651.

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

It is not a de Polignac number, because 156507401049 - 2¹⁹ = 156506876761 is a prime.

It is a super-2 number, since 2×156507401049² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156507401049.

It is not an unprimeable number, because it can be changed into a prime (156507401849) 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, 43400139 + ... + 43403744.

It is an arithmetic number, because the mean of its divisors is an integer number (26127969084).

Almost surely, 2^156507401049 is an apocalyptic number.

It is an amenable number.

156507401049 is a deficient number, since it is larger than the sum of its proper divisors (52516351623).

156507401049 is an equidigital number, since it uses as much as digits as its factorization.

156507401049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86804487.

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 156507401049 in words is "one hundred fifty-six billion, five hundred seven million, four hundred one thousand, forty-nine".