16453761121007 has 16 divisors (see below), whose sum is σ = 19062393817152. Its totient is φ = 13909662455040.

The previous prime is 16453761121003. The next prime is 16453761121019. The reversal of 16453761121007 is 70012116735461.

It is a cyclic number.

It is not a de Polignac number, because 16453761121007 - 2² = 16453761121003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16453761121003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19944233 + ... + 20752829.

It is an arithmetic number, because the mean of its divisors is an integer number (1191399613572).

Almost surely, 2^{16453761121007} is an apocalyptic number.

16453761121007 is a deficient number, since it is larger than the sum of its proper divisors (2608632696145).

16453761121007 is an equidigital number, since it uses as much as digits as its factorization.

16453761121007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848498.

The product of its (nonzero) digits is 211680, while the sum is 44.

Adding to 16453761121007 its reverse (70012116735461), we get a palindrome (86465877856468).

The spelling of 16453761121007 in words is "sixteen trillion, four hundred fifty-three billion, seven hundred sixty-one million, one hundred twenty-one thousand, seven".