164280542903 has 8 divisors (see below), whose sum is σ = 169993408080. Its totient is φ = 158570879040.

The previous prime is 164280542893. The next prime is 164280542911. The reversal of 164280542903 is 309245082461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164280542903 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 (164280542603) 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, 695678 + ... + 901403.

It is an arithmetic number, because the mean of its divisors is an integer number (21249176010).

Almost surely, 2^164280542903 is an apocalyptic number.

164280542903 is a deficient number, since it is larger than the sum of its proper divisors (5712865177).

164280542903 is a wasteful number, since it uses less digits than its factorization.

164280542903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600657.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 164280542903 in words is "one hundred sixty-four billion, two hundred eighty million, five hundred forty-two thousand, nine hundred three".