16158477451 has 2 divisors, whose sum is σ = 16158477452. Its totient is φ = 16158477450.

The previous prime is 16158477427. The next prime is 16158477457. The reversal of 16158477451 is 15477485161.

It is a strong prime.

It is an emirp because it is prime and its reverse (15477485161) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16158477451 is a prime.

It is a super-2 number, since 2×16158477451² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16158477395 and 16158477404.

It is not a weakly prime, because it can be changed into another prime (16158477457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8079238725 + 8079238726.

It is an arithmetic number, because the mean of its divisors is an integer number (8079238726).

Almost surely, 2^16158477451 is an apocalyptic number.

16158477451 is a deficient number, since it is larger than the sum of its proper divisors (1).

16158477451 is an equidigital number, since it uses as much as digits as its factorization.

16158477451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 940800, while the sum is 49.

The spelling of 16158477451 in words is "sixteen billion, one hundred fifty-eight million, four hundred seventy-seven thousand, four hundred fifty-one".