2081454516 has 48 divisors (see below), whose sum is σ = 5412012480. Its totient is φ = 691806240.

The previous prime is 2081454491. The next prime is 2081454521. The reversal of 2081454516 is 6154541802.

It is a happy number.

2081454516 is a `hidden beast` number, since 20 + 81 + 4 + 545 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9706 + ... + 65246.

It is an arithmetic number, because the mean of its divisors is an integer number (112750260).

Almost surely, 2^2081454516 is an apocalyptic number.

It is an amenable number.

2081454516 is an abundant number, since it is smaller than the sum of its proper divisors (3330557964).

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

2081454516 is a wasteful number, since it uses less digits than its factorization.

2081454516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55901 (or 55893 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 2081454516 is about 45622.9604037265. The cubic root of 2081454516 is about 1276.7983370647.

The spelling of 2081454516 in words is "two billion, eighty-one million, four hundred fifty-four thousand, five hundred sixteen".