2154566046 has 8 divisors (see below), whose sum is σ = 4309132104. Its totient is φ = 718188680.

The previous prime is 2154566021. The next prime is 2154566059. The reversal of 2154566046 is 6406654512.

It is a sphenic number, since it is the product of 3 distinct primes.

2154566046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2154565995 and 2154566013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179547165 + ... + 179547176.

It is an arithmetic number, because the mean of its divisors is an integer number (538641513).

Almost surely, 2^2154566046 is an apocalyptic number.

2154566046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2154566046 is a wasteful number, since it uses less digits than its factorization.

2154566046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359094346.

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2154566046 is about 46417.3033038327. The cubic root of 2154566046 is about 1291.5759130928.

The spelling of 2154566046 in words is "two billion, one hundred fifty-four million, five hundred sixty-six thousand, forty-six".