1641574364 has 12 divisors (see below), whose sum is σ = 2939563704. Its totient is φ = 801699024.

The previous prime is 1641574357. The next prime is 1641574367. The reversal of 1641574364 is 4634751461.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641574367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4771847 + ... + 4772190.

It is an arithmetic number, because the mean of its divisors is an integer number (244963642).

Almost surely, 2^1641574364 is an apocalyptic number.

It is an amenable number.

1641574364 is a deficient number, since it is larger than the sum of its proper divisors (1297989340).

1641574364 is a wasteful number, since it uses less digits than its factorization.

1641574364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544084 (or 9544082 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 1641574364 is about 40516.3468738237. The cubic root of 1641574364 is about 1179.6509462641.

The spelling of 1641574364 in words is "one billion, six hundred forty-one million, five hundred seventy-four thousand, three hundred sixty-four".