1641484028164 has 6 divisors (see below), whose sum is σ = 2872597049294. Its totient is φ = 820742014080.

The previous prime is 1641484028137. The next prime is 1641484028179. The reversal of 1641484028164 is 4618204841461.

It can be written as a sum of positive squares in only one way, i.e., 1604761971264 + 36722056900 = 1266792^2 + 191630^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205185503517 + ... + 205185503524.

Almost surely, 2^{1641484028164} is an apocalyptic number.

It is an amenable number.

1641484028164 is a deficient number, since it is larger than the sum of its proper divisors (1231113021130).

1641484028164 is a wasteful number, since it uses less digits than its factorization.

1641484028164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410371007045 (or 410371007043 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 1641484028164 in words is "one trillion, six hundred forty-one billion, four hundred eighty-four million, twenty-eight thousand, one hundred sixty-four".