7157106781704 has 1344 divisors, whose sum is σ = 24491769120000. Its totient is φ = 1950302914560.

The previous prime is 7157106781691. The next prime is 7157106781739. The reversal of 7157106781704 is 4071876017517.

7157106781704 is a `hidden beast` number, since 7 + 1 + 571 + 0 + 67 + 8 + 1 + 7 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 30717196372 + ... + 30717196604.

It is an arithmetic number, because the mean of its divisors is an integer number (18223042500).

Almost surely, 2^{7157106781704} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7157106781704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12245884560000).

7157106781704 is an abundant number, since it is smaller than the sum of its proper divisors (17334662338296).

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

7157106781704 is a wasteful number, since it uses less digits than its factorization.

7157106781704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 54.

The spelling of 7157106781704 in words is "seven trillion, one hundred fifty-seven billion, one hundred six million, seven hundred eighty-one thousand, seven hundred four".