1655164 has 12 divisors (see below), whose sum is σ = 3310384. Its totient is φ = 709344.

The previous prime is 1655153. The next prime is 1655167. The reversal of 1655164 is 4615561.

1655164 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 59113 = 1655164 / (1 + 6 + 5 + 5 + 1 + 6 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29529 + ... + 29584.

2^1655164 is an apocalyptic number.

1655164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1655164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1655164 is a wasteful number, since it uses less digits than its factorization.

1655164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59124 (or 59122 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1655164 is about 1286.5317718580. The cubic root of 1655164 is about 118.2897218558.

It can be divided in two parts, 165 and 5164, that added together give a square (5329 = 73²).

The spelling of 1655164 in words is "one million, six hundred fifty-five thousand, one hundred sixty-four".