16780146098623 has 2 divisors, whose sum is σ = 16780146098624. Its totient is φ = 16780146098622.

The previous prime is 16780146098579. The next prime is 16780146098659. The reversal of 16780146098623 is 32689064108761.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16780146098623 - 2³³ = 16771556164031 is a prime.

It is a super-2 number, since 2×16780146098623² (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 (16780146098663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8390073049311 + 8390073049312.

It is an arithmetic number, because the mean of its divisors is an integer number (8390073049312).

Almost surely, 2^{16780146098623} is an apocalyptic number.

16780146098623 is a deficient number, since it is larger than the sum of its proper divisors (1).

16780146098623 is an equidigital number, since it uses as much as digits as its factorization.

16780146098623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20901888, while the sum is 61.

The spelling of 16780146098623 in words is "sixteen trillion, seven hundred eighty billion, one hundred forty-six million, ninety-eight thousand, six hundred twenty-three".