1662429552 has 80 divisors (see below), whose sum is σ = 4912756992. Its totient is φ = 474531840.

The previous prime is 1662429547. The next prime is 1662429577. The reversal of 1662429552 is 2559242661.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 545152 + ... + 548192.

Almost surely, 2^1662429552 is an apocalyptic number.

1662429552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1662429552 is an abundant number, since it is smaller than the sum of its proper divisors (3250327440).

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

1662429552 is a wasteful number, since it uses less digits than its factorization.

1662429552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4686 (or 4680 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 1662429552 is about 40772.9021777945. The cubic root of 1662429552 is about 1184.6255178741.

The spelling of 1662429552 in words is "one billion, six hundred sixty-two million, four hundred twenty-nine thousand, five hundred fifty-two".