16140506011 has 16 divisors (see below), whose sum is σ = 18565482240. Its totient is φ = 13745581920.

The previous prime is 16140505981. The next prime is 16140506051. The reversal of 16140506011 is 11060504161.

It is not a de Polignac number, because 16140506011 - 2¹¹ = 16140503963 is a prime.

It is a super-2 number, since 2×16140506011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16140506051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776820 + ... + 797326.

It is an arithmetic number, because the mean of its divisors is an integer number (1160342640).

Almost surely, 2^16140506011 is an apocalyptic number.

16140506011 is a deficient number, since it is larger than the sum of its proper divisors (2424976229).

16140506011 is a wasteful number, since it uses less digits than its factorization.

16140506011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21234.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 16140506011 in words is "sixteen billion, one hundred forty million, five hundred six thousand, eleven".