2066157 has 12 divisors (see below), whose sum is σ = 3015324. Its totient is φ = 1363200.

The previous prime is 2066153. The next prime is 2066161. The reversal of 2066157 is 7516602.

It is an interprime number because it is at equal distance from previous prime (2066153) and next prime (2066161).

It can be written as a sum of positive squares in 2 ways, for example, as 1920996 + 145161 = 1386^2 + 381^2 .

It is not a de Polignac number, because 2066157 - 2² = 2066153 is a prime.

It is a super-3 number, since 3×2066157³ = 26461302133363115679, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2066157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228 + ... + 2045.

It is an arithmetic number, because the mean of its divisors is an integer number (251277).

2^2066157 is an apocalyptic number.

It is an amenable number.

2066157 is a deficient number, since it is larger than the sum of its proper divisors (949167).

2066157 is a wasteful number, since it uses less digits than its factorization.

2066157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2066157 is about 1437.4133017334. The cubic root of 2066157 is about 127.3662727084.

The spelling of 2066157 in words is "two million, sixty-six thousand, one hundred fifty-seven".