1641210546 has 32 divisors (see below), whose sum is σ = 3317941440. Its totient is φ = 541182656.

The previous prime is 1641210533. The next prime is 1641210547. The reversal of 1641210546 is 6450121461.

It is not an unprimeable number, because it can be changed into a prime (1641210547) 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, 207700 + ... + 215456.

It is an arithmetic number, because the mean of its divisors is an integer number (103685670).

Almost surely, 2^1641210546 is an apocalyptic number.

1641210546 is an abundant number, since it is smaller than the sum of its proper divisors (1676730894).

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

1641210546 is a wasteful number, since it uses less digits than its factorization.

1641210546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8138.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1641210546 is about 40511.8568569746. The cubic root of 1641210546 is about 1179.5637921338.

The spelling of 1641210546 in words is "one billion, six hundred forty-one million, two hundred ten thousand, five hundred forty-six".