1661423162 has 8 divisors (see below), whose sum is σ = 2848154016. Its totient is φ = 712038492.

The previous prime is 1661423129. The next prime is 1661423177. The reversal of 1661423162 is 2613241661.

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

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, 59336528 + ... + 59336555.

It is an arithmetic number, because the mean of its divisors is an integer number (356019252).

Almost surely, 2^1661423162 is an apocalyptic number.

1661423162 is a deficient number, since it is larger than the sum of its proper divisors (1186730854).

1661423162 is a wasteful number, since it uses less digits than its factorization.

1661423162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118673092.

The product of its digits is 10368, while the sum is 32.

The square root of 1661423162 is about 40760.5589019582. The cubic root of 1661423162 is about 1184.3864228443.

The spelling of 1661423162 in words is "one billion, six hundred sixty-one million, four hundred twenty-three thousand, one hundred sixty-two".