128165350 has 12 divisors (see below), whose sum is σ = 238387644. Its totient is φ = 51266120.

The previous prime is 128165339. The next prime is 128165383. The reversal of 128165350 is 53561821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1281604 + ... + 1281703.

It is an arithmetic number, because the mean of its divisors is an integer number (19865637).

Almost surely, 2^128165350 is an apocalyptic number.

128165350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128165350 is a deficient number, since it is larger than the sum of its proper divisors (110222294).

128165350 is a wasteful number, since it uses less digits than its factorization.

128165350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563319 (or 2563314 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 128165350 is about 11321.0136471961. The cubic root of 128165350 is about 504.1853348581.

The spelling of 128165350 in words is "one hundred twenty-eight million, one hundred sixty-five thousand, three hundred fifty".