1451146165566 has 16 divisors (see below), whose sum is σ = 2928918867600. Its totient is φ = 479277632448.

The previous prime is 1451146165537. The next prime is 1451146165571. The reversal of 1451146165566 is 6655616411541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1109438311 + ... + 1109439618.

It is an arithmetic number, because the mean of its divisors is an integer number (183057429225).

Almost surely, 2^{1451146165566} is an apocalyptic number.

1451146165566 is an abundant number, since it is smaller than the sum of its proper divisors (1477772702034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1451146165566 is a wasteful number, since it uses less digits than its factorization.

1451146165566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2218878043.

The product of its digits is 2592000, while the sum is 51.

The spelling of 1451146165566 in words is "one trillion, four hundred fifty-one billion, one hundred forty-six million, one hundred sixty-five thousand, five hundred sixty-six".