1662108994 has 32 divisors (see below), whose sum is σ = 3071738880. Its totient is φ = 656845632.

The previous prime is 1662108967. The next prime is 1662108997. The reversal of 1662108994 is 4998012661.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1662108997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190287 + ... + 198829.

It is an arithmetic number, because the mean of its divisors is an integer number (95991840).

Almost surely, 2^1662108994 is an apocalyptic number.

1662108994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1662108994 is a deficient number, since it is larger than the sum of its proper divisors (1409629886).

1662108994 is a wasteful number, since it uses less digits than its factorization.

1662108994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9634.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1662108994 is about 40768.9709705801. The cubic root of 1662108994 is about 1184.5493711693.

The spelling of 1662108994 in words is "one billion, six hundred sixty-two million, one hundred eight thousand, nine hundred ninety-four".