266545050454160 has 40 divisors (see below), whose sum is σ = 619941210020736. Its totient is φ = 106579488101760.

The previous prime is 266545050454153. The next prime is 266545050454183. The reversal of 266545050454160 is 61454050545662.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×266545050454160² (a number of 30 digits) contains 22 as substring.

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, 601841006 + ... + 602283725.

Almost surely, 2^{266545050454160} is an apocalyptic number.

266545050454160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

266545050454160 is an abundant number, since it is smaller than the sum of its proper divisors (353396159566576).

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

266545050454160 is a wasteful number, since it uses less digits than its factorization.

266545050454160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204127511 (or 1204127505 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 53.

The spelling of 266545050454160 in words is "two hundred sixty-six trillion, five hundred forty-five billion, fifty million, four hundred fifty-four thousand, one hundred sixty".