16010623261 has 4 divisors (see below), whose sum is σ = 16011053500. Its totient is φ = 16010193024.

The previous prime is 16010623259. The next prime is 16010623271. The reversal of 16010623261 is 16232601061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16232601061 = 20981 ⋅773681.

It can be written as a sum of positive squares in 2 ways, for example, as 3953265625 + 12057357636 = 62875^2 + 109806^2 .

It is a cyclic number.

It is not a de Polignac number, because 16010623261 - 2¹ = 16010623259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16010623271) 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, 153396 + ... + 235693.

It is an arithmetic number, because the mean of its divisors is an integer number (4002763375).

Almost surely, 2^16010623261 is an apocalyptic number.

It is an amenable number.

16010623261 is a deficient number, since it is larger than the sum of its proper divisors (430239).

16010623261 is an equidigital number, since it uses as much as digits as its factorization.

16010623261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430238.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 16010623261 in words is "sixteen billion, ten million, six hundred twenty-three thousand, two hundred sixty-one".