68151480 has 128 divisors (see below), whose sum is σ = 218764800. Its totient is φ = 16934400.

The previous prime is 68151469. The next prime is 68151491. The reversal of 68151480 is 8415186.

It is an interprime number because it is at equal distance from previous prime (68151469) and next prime (68151491).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161670 + ... + 162090.

It is an arithmetic number, because the mean of its divisors is an integer number (1709100).

Almost surely, 2^68151480 is an apocalyptic number.

68151480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68151480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109382400).

68151480 is an abundant number, since it is smaller than the sum of its proper divisors (150613320).

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

68151480 is a wasteful number, since it uses less digits than its factorization.

68151480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 68151480 is about 8255.3909659083. The cubic root of 68151480 is about 408.4683683154.

The spelling of 68151480 in words is "sixty-eight million, one hundred fifty-one thousand, four hundred eighty".