1662434032 has 80 divisors (see below), whose sum is σ = 3940819200. Its totient is φ = 663482880.

The previous prime is 1662433979. The next prime is 1662434041. The reversal of 1662434032 is 2304342661.

It is a junction number, because it is equal to n+sod(n) for n = 1662433985 and 1662434003.

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, 118932 + ... + 132172.

It is an arithmetic number, because the mean of its divisors is an integer number (49260240).

Almost surely, 2^1662434032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662434032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1970409600).

1662434032 is an abundant number, since it is smaller than the sum of its proper divisors (2278385168).

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

1662434032 is a wasteful number, since it uses less digits than its factorization.

1662434032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13334 (or 13328 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 1662434032 is about 40772.9571162063. The cubic root of 1662434032 is about 1184.6265820030.

Adding to 1662434032 its reverse (2304342661), we get a palindrome (3966776693).

The spelling of 1662434032 in words is "one billion, six hundred sixty-two million, four hundred thirty-four thousand, thirty-two".