1662452500 has 120 divisors (see below), whose sum is σ = 3953734400. Its totient is φ = 609120000.

The previous prime is 1662452471. The next prime is 1662452501. The reversal of 1662452500 is 52542661.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662452501) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1471936 + ... + 1473064.

Almost surely, 2^1662452500 is an apocalyptic number.

1662452500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1662452500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1976867200).

1662452500 is an abundant number, since it is smaller than the sum of its proper divisors (2291281900).

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

1662452500 is a wasteful number, since it uses less digits than its factorization.

1662452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203 (or 1186 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1662452500 is about 40773.1835892171. The cubic root of 1662452500 is about 1184.6309686638.

The spelling of 1662452500 in words is "one billion, six hundred sixty-two million, four hundred fifty-two thousand, five hundred".