1881226658010 has 64 divisors (see below), whose sum is σ = 5299393727232. Its totient is φ = 418373185536.

The previous prime is 1881226657963. The next prime is 1881226658053. The reversal of 1881226658010 is 108566221881.

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, 121049287 + ... + 121064826.

It is an arithmetic number, because the mean of its divisors is an integer number (82803026988).

Almost surely, 2^{1881226658010} is an apocalyptic number.

1881226658010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1881226658010 is an abundant number, since it is smaller than the sum of its proper divisors (3418167069222).

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

1881226658010 is a wasteful number, since it uses less digits than its factorization.

1881226658010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242114167.

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 1881226658010 in words is "one trillion, eight hundred eighty-one billion, two hundred twenty-six million, six hundred fifty-eight thousand, ten".