81301037654 has 16 divisors (see below), whose sum is σ = 125285886000. Its totient is φ = 39539748384.

The previous prime is 81301037633. The next prime is 81301037663. The reversal of 81301037654 is 45673010318.

It is a Curzon number.

It is a congruent number.

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, 77612 + ... + 410640.

It is an arithmetic number, because the mean of its divisors is an integer number (7830367875).

Almost surely, 2^81301037654 is an apocalyptic number.

81301037654 is a deficient number, since it is larger than the sum of its proper divisors (43984848346).

81301037654 is a wasteful number, since it uses less digits than its factorization.

81301037654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336367.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 81301037654 in words is "eighty-one billion, three hundred one million, thirty-seven thousand, six hundred fifty-four".