16072457 has 2 divisors, whose sum is σ = 16072458. Its totient is φ = 16072456.

The previous prime is 16072453. The next prime is 16072489. The reversal of 16072457 is 75427061.

It is an a-pointer prime, because the next prime (16072489) can be obtained adding 16072457 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 5470921 = 3256^2 + 2339^2 .

It is a cyclic number.

It is not a de Polignac number, because 16072457 - 2² = 16072453 is a prime.

It is not a weakly prime, because it can be changed into another prime (16072453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8036228 + 8036229.

It is an arithmetic number, because the mean of its divisors is an integer number (8036229).

Almost surely, 2^16072457 is an apocalyptic number.

It is an amenable number.

16072457 is a deficient number, since it is larger than the sum of its proper divisors (1).

16072457 is an equidigital number, since it uses as much as digits as its factorization.

16072457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 16072457 is about 4009.0468942131. The cubic root of 16072457 is about 252.3640126492.

The spelling of 16072457 in words is "sixteen million, seventy-two thousand, four hundred fifty-seven".