156381065606383 has 16 divisors (see below), whose sum is σ = 164528762194944. Its totient is φ = 148439923971840.

The previous prime is 156381065606323. The next prime is 156381065606407. The reversal of 156381065606383 is 383606560183651.

It is a cyclic number.

It is not a de Polignac number, because 156381065606383 - 2³³ = 156372475671791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156381065606303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63533266 + ... + 65948752.

It is an arithmetic number, because the mean of its divisors is an integer number (10283047637184).

Almost surely, 2^{156381065606383} is an apocalyptic number.

156381065606383 is a deficient number, since it is larger than the sum of its proper divisors (8147696588561).

156381065606383 is a wasteful number, since it uses less digits than its factorization.

156381065606383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458242.

The product of its (nonzero) digits is 55987200, while the sum is 61.

The spelling of 156381065606383 in words is "one hundred fifty-six trillion, three hundred eighty-one billion, sixty-five million, six hundred six thousand, three hundred eighty-three".