1345061451616 has 12 divisors (see below), whose sum is σ = 2648089732932. Its totient is φ = 672530725792.

The previous prime is 1345061451611. The next prime is 1345061451619. The reversal of 1345061451616 is 6161541605431.

It is a happy number.

It is a super-2 number, since 2×1345061451616² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345061451611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016585150 + ... + 21016585213.

It is an arithmetic number, because the mean of its divisors is an integer number (220674144411).

Almost surely, 2^{1345061451616} is an apocalyptic number.

1345061451616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345061451616 is a deficient number, since it is larger than the sum of its proper divisors (1303028281316).

1345061451616 is an equidigital number, since it uses as much as digits as its factorization.

1345061451616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42033170373 (or 42033170365 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 1345061451616 in words is "one trillion, three hundred forty-five billion, sixty-one million, four hundred fifty-one thousand, six hundred sixteen".