16345066122542 has 4 divisors (see below), whose sum is σ = 24517599183816. Its totient is φ = 8172533061270.

The previous prime is 16345066122457. The next prime is 16345066122559. The reversal of 16345066122542 is 24522166054361.

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

It is a super-2 number, since 2×16345066122542² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4086266530634 + ... + 4086266530637.

It is an arithmetic number, because the mean of its divisors is an integer number (6129399795954).

Almost surely, 2^{16345066122542} is an apocalyptic number.

16345066122542 is a deficient number, since it is larger than the sum of its proper divisors (8172533061274).

16345066122542 is an equidigital number, since it uses as much as digits as its factorization.

16345066122542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172533061273.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 16345066122542 in words is "sixteen trillion, three hundred forty-five billion, sixty-six million, one hundred twenty-two thousand, five hundred forty-two".