16113501 has 48 divisors (see below), whose sum is σ = 27181440. Its totient is φ = 9123840.

The previous prime is 16113481. The next prime is 16113541. The reversal of 16113501 is 10531161.

16113501 is a `hidden beast` number, since 1 + 611 + 3 + 50 + 1 = 666.

It is not a de Polignac number, because 16113501 - 2⁵ = 16113469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16113541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66741 + ... + 66981.

It is an arithmetic number, because the mean of its divisors is an integer number (566280).

Almost surely, 2^16113501 is an apocalyptic number.

It is an amenable number.

16113501 is a deficient number, since it is larger than the sum of its proper divisors (11067939).

16113501 is a wasteful number, since it uses less digits than its factorization.

16113501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 16113501 is about 4014.1625527624. The cubic root of 16113501 is about 252.5786494857.

Adding to 16113501 its reverse (10531161), we get a palindrome (26644662).

The spelling of 16113501 in words is "sixteen million, one hundred thirteen thousand, five hundred one".