662009088 has 144 divisors (see below), whose sum is σ = 1930320896. Its totient is φ = 200171520.

The previous prime is 662009063. The next prime is 662009113. The reversal of 662009088 is 880900266.

It is an interprime number because it is at equal distance from previous prime (662009063) and next prime (662009113).

It is a super-4 number, since 4×662009088⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 608481 + ... + 609567.

Almost surely, 2^662009088 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 662009088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965160448).

662009088 is an abundant number, since it is smaller than the sum of its proper divisors (1268311808).

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

662009088 is a wasteful number, since it uses less digits than its factorization.

662009088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 662009088 is about 25729.5372675064. The cubic root of 662009088 is about 871.5413237400.

The spelling of 662009088 in words is "six hundred sixty-two million, nine thousand, eighty-eight".