1610162140 has 48 divisors (see below), whose sum is σ = 3630723264. Its totient is φ = 597632000.

The previous prime is 1610162129. The next prime is 1610162149. The reversal of 1610162140 is 412610161.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610162149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9211 + ... + 57490.

It is an arithmetic number, because the mean of its divisors is an integer number (75640068).

Almost surely, 2^1610162140 is an apocalyptic number.

1610162140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1610162140 is an abundant number, since it is smaller than the sum of its proper divisors (2020561124).

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

1610162140 is a wasteful number, since it uses less digits than its factorization.

1610162140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66798 (or 66796 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1610162140 is about 40126.8256905527. The cubic root of 1610162140 is about 1172.0780611341.

The spelling of 1610162140 in words is "one billion, six hundred ten million, one hundred sixty-two thousand, one hundred forty".