156261134634046 has 32 divisors (see below), whose sum is σ = 257186982064320. Its totient is φ = 70759078650624.

The previous prime is 156261134634019. The next prime is 156261134634047. The reversal of 156261134634046 is 640436431162651.

It is a junction number, because it is equal to n+sod(n) for n = 156261134633984 and 156261134634002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156261134634047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159943890 + ... + 160917898.

It is an arithmetic number, because the mean of its divisors is an integer number (8037093189510).

Almost surely, 2^{156261134634046} is an apocalyptic number.

156261134634046 is a deficient number, since it is larger than the sum of its proper divisors (100925847430274).

156261134634046 is a wasteful number, since it uses less digits than its factorization.

156261134634046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090500.

The product of its (nonzero) digits is 7464960, while the sum is 52.

Adding to 156261134634046 its reverse (640436431162651), we get a palindrome (796697565796697).

The spelling of 156261134634046 in words is "one hundred fifty-six trillion, two hundred sixty-one billion, one hundred thirty-four million, six hundred thirty-four thousand, forty-six".