16072631 has 2 divisors, whose sum is σ = 16072632. Its totient is φ = 16072630.

The previous prime is 16072597. The next prime is 16072643. The reversal of 16072631 is 13627061.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16072631 is a prime.

It is a super-2 number, since 2×16072631² = 516658934524322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16072631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16072681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8036315 + 8036316.

It is an arithmetic number, because the mean of its divisors is an integer number (8036316).

Almost surely, 2^16072631 is an apocalyptic number.

16072631 is a deficient number, since it is larger than the sum of its proper divisors (1).

16072631 is an equidigital number, since it uses as much as digits as its factorization.

16072631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 16072631 is about 4009.0685950729. The cubic root of 16072631 is about 252.3649233413.

Adding to 16072631 its reverse (13627061), we get a palindrome (29699692).

The spelling of 16072631 in words is "sixteen million, seventy-two thousand, six hundred thirty-one".