6657260090 has 64 divisors (see below), whose sum is σ = 13600742400. Its totient is φ = 2325832704.

The previous prime is 6657260087. The next prime is 6657260107. The reversal of 6657260090 is 900627566.

It is a super-2 number, since 2×6657260090² = 88638223811813616200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3553394 + ... + 3555266.

It is an arithmetic number, because the mean of its divisors is an integer number (212511600).

Almost surely, 2^6657260090 is an apocalyptic number.

6657260090 is an abundant number, since it is smaller than the sum of its proper divisors (6943482310).

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

6657260090 is a wasteful number, since it uses less digits than its factorization.

6657260090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 6657260090 is about 81592.0344764120. The cubic root of 6657260090 is about 1881.1864483485.

The spelling of 6657260090 in words is "six billion, six hundred fifty-seven million, two hundred sixty thousand, ninety".