16142381890 has 16 divisors (see below), whose sum is σ = 29732015808. Its totient is φ = 6306790896.

The previous prime is 16142381873. The next prime is 16142381921. The reversal of 16142381890 is 9818324161.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18769782 + ... + 18770641.

It is an arithmetic number, because the mean of its divisors is an integer number (1858250988).

Almost surely, 2^16142381890 is an apocalyptic number.

16142381890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16142381890 is a deficient number, since it is larger than the sum of its proper divisors (13589633918).

16142381890 is a wasteful number, since it uses less digits than its factorization.

16142381890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37540473.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 16142381890 in words is "sixteen billion, one hundred forty-two million, three hundred eighty-one thousand, eight hundred ninety".