1016881546 has 4 divisors (see below), whose sum is σ = 1525322322. Its totient is φ = 508440772.

The previous prime is 1016881513. The next prime is 1016881553. The reversal of 1016881546 is 6451886101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 717972025 + 298909521 = 26795^2 + 17289^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1016881499 and 1016881508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254220385 + ... + 254220388.

Almost surely, 2^1016881546 is an apocalyptic number.

1016881546 is a deficient number, since it is larger than the sum of its proper divisors (508440776).

1016881546 is an equidigital number, since it uses as much as digits as its factorization.

1016881546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508440775.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1016881546 is about 31888.5801816261. The cubic root of 1016881546 is about 1005.5958104975.

The spelling of 1016881546 in words is "one billion, sixteen million, eight hundred eighty-one thousand, five hundred forty-six".