1606662 has 16 divisors (see below), whose sum is σ = 3570480. Its totient is φ = 535536.

The previous prime is 1606643. The next prime is 1606663. The reversal of 1606662 is 2666061.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14823 + ... + 14930.

It is an arithmetic number, because the mean of its divisors is an integer number (223155).

2^1606662 is an apocalyptic number.

1606662 is an abundant number, since it is smaller than the sum of its proper divisors (1963818).

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

1606662 is a wasteful number, since it uses less digits than its factorization.

1606662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764 (or 29758 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1606662 is about 1267.5417152899. The cubic root of 1606662 is about 117.1228164634.

The spelling of 1606662 in words is "one million, six hundred six thousand, six hundred sixty-two".