16461900607511 has 2 divisors, whose sum is σ = 16461900607512. Its totient is φ = 16461900607510.

The previous prime is 16461900607463. The next prime is 16461900607549. The reversal of 16461900607511 is 11570600916461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16461900607511 - 2¹⁴ = 16461900591127 is a prime.

It is a super-2 number, since 2×16461900607511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16461900607561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8230950303755 + 8230950303756.

It is an arithmetic number, because the mean of its divisors is an integer number (8230950303756).

Almost surely, 2^{16461900607511} is an apocalyptic number.

16461900607511 is a deficient number, since it is larger than the sum of its proper divisors (1).

16461900607511 is an equidigital number, since it uses as much as digits as its factorization.

16461900607511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 16461900607511 in words is "sixteen trillion, four hundred sixty-one billion, nine hundred million, six hundred seven thousand, five hundred eleven".