1861041032330 has 16 divisors (see below), whose sum is σ = 3350551647744. Its totient is φ = 744265793040.

The previous prime is 1861041032321. The next prime is 1861041032393. The reversal of 1861041032330 is 332301401681.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18775586 + ... + 18874445.

It is an arithmetic number, because the mean of its divisors is an integer number (209409477984).

Almost surely, 2^{1861041032330} is an apocalyptic number.

1861041032330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1861041032330 is a deficient number, since it is larger than the sum of its proper divisors (1489510615414).

1861041032330 is a wasteful number, since it uses less digits than its factorization.

1861041032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37654981.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 1861041032330 in words is "one trillion, eight hundred sixty-one billion, forty-one million, thirty-two thousand, three hundred thirty".