81103733410 has 16 divisors (see below), whose sum is σ = 166841966016. Its totient is φ = 27806994288.

The previous prime is 81103733407. The next prime is 81103733479. The reversal of 81103733410 is 1433730118.

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, 579312312 + ... + 579312451.

It is an arithmetic number, because the mean of its divisors is an integer number (10427622876).

Almost surely, 2^81103733410 is an apocalyptic number.

81103733410 is an abundant number, since it is smaller than the sum of its proper divisors (85738232606).

81103733410 is a wasteful number, since it uses less digits than its factorization.

81103733410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158624777.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 81103733410 in words is "eighty-one billion, one hundred three million, seven hundred thirty-three thousand, four hundred ten".