6657534608090 has 32 divisors (see below), whose sum is σ = 12209979534480. Its totient is φ = 2612701471744.

The previous prime is 6657534607951. The next prime is 6657534608173. The reversal of 6657534608090 is 908064357566.

It can be written as a sum of positive squares in 8 ways, for example, as 4978481025001 + 1679053583089 = 2231251^2 + 1295783^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24007346 + ... + 24283074.

Almost surely, 2^{6657534608090} is an apocalyptic number.

6657534608090 is a deficient number, since it is larger than the sum of its proper divisors (5552444926390).

6657534608090 is a wasteful number, since it uses less digits than its factorization.

6657534608090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321346.

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 6657534608090 in words is "six trillion, six hundred fifty-seven billion, five hundred thirty-four million, six hundred eight thousand, ninety".