1641180328051 has 16 divisors (see below), whose sum is σ = 1903470554880. Its totient is φ = 1400186650720.

The previous prime is 1641180328043. The next prime is 1641180328093. The reversal of 1641180328051 is 1508230811461.

It is not a de Polignac number, because 1641180328051 - 2³ = 1641180328043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641180327995 and 1641180328013.

It is not an unprimeable number, because it can be changed into a prime (1641180328651) 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, 61183561 + ... + 61210378.

It is an arithmetic number, because the mean of its divisors is an integer number (118966909680).

Almost surely, 2^{1641180328051} is an apocalyptic number.

1641180328051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1641180328051 is a deficient number, since it is larger than the sum of its proper divisors (262290226829).

1641180328051 is a wasteful number, since it uses less digits than its factorization.

1641180328051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122394026.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 1641180328051 in words is "one trillion, six hundred forty-one billion, one hundred eighty million, three hundred twenty-eight thousand, fifty-one".