1437272061666 has 32 divisors (see below), whose sum is σ = 3297684538368. Its totient is φ = 409087753680.

The previous prime is 1437272061661. The next prime is 1437272061703. The reversal of 1437272061666 is 6661602727341.

It is not an unprimeable number, because it can be changed into a prime (1437272061661) 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, 65047440 + ... + 65069531.

It is an arithmetic number, because the mean of its divisors is an integer number (103052641824).

Almost surely, 2^{1437272061666} is an apocalyptic number.

1437272061666 is an abundant number, since it is smaller than the sum of its proper divisors (1860412476702).

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

1437272061666 is a wasteful number, since it uses less digits than its factorization.

1437272061666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130117246.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 1437272061666 in words is "one trillion, four hundred thirty-seven billion, two hundred seventy-two million, sixty-one thousand, six hundred sixty-six".