1610216740 has 48 divisors (see below), whose sum is σ = 3725434944. Its totient is φ = 579728000.

The previous prime is 1610216701. The next prime is 1610216809. The reversal of 1610216740 is 476120161.

It is a junction number, because it is equal to n+sod(n) for n = 1610216699 and 1610216708.

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, 14014 + ... + 58453.

It is an arithmetic number, because the mean of its divisors is an integer number (77613228).

Almost surely, 2^1610216740 is an apocalyptic number.

1610216740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1610216740 is an abundant number, since it is smaller than the sum of its proper divisors (2115218204).

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

1610216740 is a wasteful number, since it uses less digits than its factorization.

1610216740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72588 (or 72586 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1610216740 is about 40127.5060276614. The cubic root of 1610216740 is about 1172.0913092283.

It can be divided in two parts, 161021 and 6740, that added together give a palindrome (167761).

The spelling of 1610216740 in words is "one billion, six hundred ten million, two hundred sixteen thousand, seven hundred forty".