1016381494 has 4 divisors (see below), whose sum is σ = 1524572244. Its totient is φ = 508190746.

The previous prime is 1016381467. The next prime is 1016381501. The reversal of 1016381494 is 4941836101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4941836101 = 233 ⋅21209597.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254095372 + ... + 254095375.

It is an arithmetic number, because the mean of its divisors is an integer number (381143061).

Almost surely, 2^1016381494 is an apocalyptic number.

1016381494 is a deficient number, since it is larger than the sum of its proper divisors (508190750).

1016381494 is an equidigital number, since it uses as much as digits as its factorization.

1016381494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508190749.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1016381494 is about 31880.7386049947. The cubic root of 1016381494 is about 1005.4309493930.

It can be divided in two parts, 101638149 and 4, that added together give a triangular number (101638153 = T₁₄₂₅₇).

The spelling of 1016381494 in words is "one billion, sixteen million, three hundred eighty-one thousand, four hundred ninety-four".