2002651557 has 8 divisors (see below), whose sum is σ = 2696126784. Its totient is φ = 1322138688.

The previous prime is 2002651549. The next prime is 2002651577. The reversal of 2002651557 is 7551562002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2002651557 - 2³ = 2002651549 is a prime.

It is a super-2 number, since 2×2002651557² = 8021226517509048498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002651537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240228 + ... + 3240845.

It is an arithmetic number, because the mean of its divisors is an integer number (337015848).

Almost surely, 2^2002651557 is an apocalyptic number.

It is an amenable number.

2002651557 is a deficient number, since it is larger than the sum of its proper divisors (693475227).

2002651557 is a wasteful number, since it uses less digits than its factorization.

2002651557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6481179.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 2002651557 is about 44750.9950392167. The cubic root of 2002651557 is about 1260.4775960948.

The spelling of 2002651557 in words is "two billion, two million, six hundred fifty-one thousand, five hundred fifty-seven".