164038887501 has 8 divisors (see below), whose sum is σ = 220884046944. Its totient is φ = 108276493200.

The previous prime is 164038887499. The next prime is 164038887511. The reversal of 164038887501 is 105788830461.

It is a happy number.

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

It is not a de Polignac number, because 164038887501 - 2¹ = 164038887499 is a prime.

It is a super-2 number, since 2×164038887501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164038887511) 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, 270690931 + ... + 270691536.

It is an arithmetic number, because the mean of its divisors is an integer number (27610505868).

Almost surely, 2^164038887501 is an apocalyptic number.

It is an amenable number.

164038887501 is a deficient number, since it is larger than the sum of its proper divisors (56845159443).

164038887501 is a wasteful number, since it uses less digits than its factorization.

164038887501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541382571.

The product of its (nonzero) digits is 1290240, while the sum is 51.

The spelling of 164038887501 in words is "one hundred sixty-four billion, thirty-eight million, eight hundred eighty-seven thousand, five hundred one".