156049591246 has 4 divisors (see below), whose sum is σ = 234074386872. Its totient is φ = 78024795622.

The previous prime is 156049591241. The next prime is 156049591319. The reversal of 156049591246 is 642195940651.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 156049591193 and 156049591202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156049591241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39012397810 + ... + 39012397813.

It is an arithmetic number, because the mean of its divisors is an integer number (58518596718).

Almost surely, 2^156049591246 is an apocalyptic number.

156049591246 is a deficient number, since it is larger than the sum of its proper divisors (78024795626).

156049591246 is an equidigital number, since it uses as much as digits as its factorization.

156049591246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78024795625.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 156049591246 in words is "one hundred fifty-six billion, forty-nine million, five hundred ninety-one thousand, two hundred forty-six".