156772142863 has 12 divisors (see below), whose sum is σ = 182833208400. Its totient is φ = 134369837028.

The previous prime is 156772142803. The next prime is 156772142867. The reversal of 156772142863 is 368241277651.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a de Polignac number, because none of the positive numbers 2^k-156772142863 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 156772142863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156772142867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7322308 + ... + 7343686.

It is an arithmetic number, because the mean of its divisors is an integer number (15236100700).

Almost surely, 2^156772142863 is an apocalyptic number.

156772142863 is a deficient number, since it is larger than the sum of its proper divisors (26061065537).

156772142863 is an frugal number, since it uses more digits than its factorization.

156772142863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42779 (or 21386 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The spelling of 156772142863 in words is "one hundred fifty-six billion, seven hundred seventy-two million, one hundred forty-two thousand, eight hundred sixty-three".