16216266001 has 4 divisors (see below), whose sum is σ = 17463671092. Its totient is φ = 14968860912.

The previous prime is 16216265993. The next prime is 16216266013. The reversal of 16216266001 is 10066261261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10066261261 = 7 ⋅1438037323.

It can be written as a sum of positive squares in 2 ways, for example, as 9129993601 + 7086272400 = 95551^2 + 84180^2 .

It is a cyclic number.

It is not a de Polignac number, because 16216266001 - 2³ = 16216265993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16216216001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623702526 + ... + 623702551.

It is an arithmetic number, because the mean of its divisors is an integer number (4365917773).

Almost surely, 2^16216266001 is an apocalyptic number.

It is an amenable number.

16216266001 is a deficient number, since it is larger than the sum of its proper divisors (1247405091).

16216266001 is a wasteful number, since it uses less digits than its factorization.

16216266001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247405090.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 16216266001 in words is "sixteen billion, two hundred sixteen million, two hundred sixty-six thousand, one".