16198801501 has 2 divisors, whose sum is σ = 16198801502. Its totient is φ = 16198801500.

The previous prime is 16198801483. The next prime is 16198801513. The reversal of 16198801501 is 10510889161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13641072025 + 2557729476 = 116795^2 + 50574^2 .

It is an emirp because it is prime and its reverse (10510889161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16198801501 - 2¹⁷ = 16198670429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16198801571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8099400750 + 8099400751.

It is an arithmetic number, because the mean of its divisors is an integer number (8099400751).

Almost surely, 2^16198801501 is an apocalyptic number.

It is an amenable number.

16198801501 is a deficient number, since it is larger than the sum of its proper divisors (1).

16198801501 is an equidigital number, since it uses as much as digits as its factorization.

16198801501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 40.

The spelling of 16198801501 in words is "sixteen billion, one hundred ninety-eight million, eight hundred one thousand, five hundred one".