2066888154 has 16 divisors (see below), whose sum is σ = 4245500448. Its totient is φ = 670342032.

The previous prime is 2066888149. The next prime is 2066888179. The reversal of 2066888154 is 4518886602.

It is a happy number.

It is a super-2 number, since 2×2066888154² = 8544053282291055432, which 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, 4654932 + ... + 4655375.

It is an arithmetic number, because the mean of its divisors is an integer number (265343778).

Almost surely, 2^2066888154 is an apocalyptic number.

2066888154 is an abundant number, since it is smaller than the sum of its proper divisors (2178612294).

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

2066888154 is a wasteful number, since it uses less digits than its factorization.

2066888154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310349.

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 2066888154 is about 45463.0416272383. The cubic root of 2066888154 is about 1273.8129469968.

The spelling of 2066888154 in words is "two billion, sixty-six million, eight hundred eighty-eight thousand, one hundred fifty-four".