1453446163551 has 16 divisors (see below), whose sum is σ = 1950470402400. Its totient is φ = 962712403968.

The previous prime is 1453446163541. The next prime is 1453446163579. The reversal of 1453446163551 is 1553616443541.

It is not a de Polignac number, because 1453446163551 - 2⁶ = 1453446163487 is a prime.

It is a super-2 number, since 2×1453446163551² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453446163551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453446163541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2123146 + ... + 2722983.

It is an arithmetic number, because the mean of its divisors is an integer number (121904400150).

Almost surely, 2^{1453446163551} is an apocalyptic number.

1453446163551 is a deficient number, since it is larger than the sum of its proper divisors (497024238849).

1453446163551 is a wasteful number, since it uses less digits than its factorization.

1453446163551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4846778.

The product of its digits is 2592000, while the sum is 48.

The spelling of 1453446163551 in words is "one trillion, four hundred fifty-three billion, four hundred forty-six million, one hundred sixty-three thousand, five hundred fifty-one".