164263640415142 has 8 divisors (see below), whose sum is σ = 257108306736816. Its totient is φ = 78560871502872.

The previous prime is 164263640415113. The next prime is 164263640415169. The reversal of 164263640415142 is 241514046362461.

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

It is a super-2 number, since 2×164263640415142² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785474352293 + ... + 1785474352384.

It is an arithmetic number, because the mean of its divisors is an integer number (32138538342102).

Almost surely, 2^{164263640415142} is an apocalyptic number.

164263640415142 is a deficient number, since it is larger than the sum of its proper divisors (92844666321674).

164263640415142 is a wasteful number, since it uses less digits than its factorization.

164263640415142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3570948704702.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 164263640415142 in words is "one hundred sixty-four trillion, two hundred sixty-three billion, six hundred forty million, four hundred fifteen thousand, one hundred forty-two".