156540313663 has 8 divisors (see below), whose sum is σ = 164865452400. Its totient is φ = 148223792448.

The previous prime is 156540313661. The next prime is 156540313691. The reversal of 156540313663 is 366313045651.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 156540313663 - 2¹ = 156540313661 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 (156540313661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2117068 + ... + 2189761.

It is an arithmetic number, because the mean of its divisors is an integer number (20608181550).

Almost surely, 2^156540313663 is an apocalyptic number.

156540313663 is a deficient number, since it is larger than the sum of its proper divisors (8325138737).

156540313663 is a wasteful number, since it uses less digits than its factorization.

156540313663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308761.

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 156540313663 in words is "one hundred fifty-six billion, five hundred forty million, three hundred thirteen thousand, six hundred sixty-three".