168428514758 has 32 divisors (see below), whose sum is σ = 292275578880. Its totient is φ = 71300053440.

The previous prime is 168428514721. The next prime is 168428514763. The reversal of 168428514758 is 857415824861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 168428514697 and 168428514706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1166585 + ... + 1302987.

It is an arithmetic number, because the mean of its divisors is an integer number (9133611840).

Almost surely, 2^168428514758 is an apocalyptic number.

168428514758 is a deficient number, since it is larger than the sum of its proper divisors (123847064122).

168428514758 is a wasteful number, since it uses less digits than its factorization.

168428514758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137492.

The product of its digits is 17203200, while the sum is 59.

The spelling of 168428514758 in words is "one hundred sixty-eight billion, four hundred twenty-eight million, five hundred fourteen thousand, seven hundred fifty-eight".