16373740628461 has 4 divisors (see below), whose sum is σ = 16938352374300. Its totient is φ = 15809128882624.

The previous prime is 16373740628437. The next prime is 16373740628521. The reversal of 16373740628461 is 16482604737361.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6888997596100 + 9484743032361 = 2624690^2 + 3079731^2 .

It is a cyclic number.

It is not a de Polignac number, because 16373740628461 - 2⁹ = 16373740627949 is a prime.

It is a super-2 number, since 2×16373740628461² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16373740628396 and 16373740628405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16373740626461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282305872876 + ... + 282305872933.

It is an arithmetic number, because the mean of its divisors is an integer number (4234588093575).

Almost surely, 2^{16373740628461} is an apocalyptic number.

It is an amenable number.

16373740628461 is a deficient number, since it is larger than the sum of its proper divisors (564611745839).

16373740628461 is an equidigital number, since it uses as much as digits as its factorization.

16373740628461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564611745838.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 16373740628461 in words is "sixteen trillion, three hundred seventy-three billion, seven hundred forty million, six hundred twenty-eight thousand, four hundred sixty-one".