1662101532 has 576 divisors, whose sum is σ = 6027141120. Its totient is φ = 387991296.

The previous prime is 1662101521. The next prime is 1662101533. The reversal of 1662101532 is 2351012661.

1662101532 is a `hidden beast` number, since 1 + 6 + 621 + 0 + 1 + 5 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1662101496 and 1662101505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1662101533) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 38653503 + ... + 38653545.

Almost surely, 2^1662101532 is an apocalyptic number.

1662101532 is a gapful number since it is divisible by the number (12) 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 1662101532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3013570560).

1662101532 is an abundant number, since it is smaller than the sum of its proper divisors (4365039588).

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

1662101532 is a wasteful number, since it uses less digits than its factorization.

1662101532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1662101532 is about 40768.8794547998. The cubic root of 1662101532 is about 1184.5475984976.

The spelling of 1662101532 in words is "one billion, six hundred sixty-two million, one hundred one thousand, five hundred thirty-two".