1481657738672 has 20 divisors (see below), whose sum is σ = 2873962985400. Its totient is φ = 739989871488.

The previous prime is 1481657738657. The next prime is 1481657738677. The reversal of 1481657738672 is 2768377561841.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1481657738599 and 1481657738608.

It is not an unprimeable number, because it can be changed into a prime (1481657738677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52422797 + ... + 52451052.

It is an arithmetic number, because the mean of its divisors is an integer number (143698149270).

Almost surely, 2^{1481657738672} is an apocalyptic number.

It is an amenable number.

1481657738672 is a deficient number, since it is larger than the sum of its proper divisors (1392305246728).

1481657738672 is a wasteful number, since it uses less digits than its factorization.

1481657738672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104874740 (or 104874734 counting only the distinct ones).

The product of its digits is 94832640, while the sum is 65.

The spelling of 1481657738672 in words is "one trillion, four hundred eighty-one billion, six hundred fifty-seven million, seven hundred thirty-eight thousand, six hundred seventy-two".