1820196460407 has 16 divisors (see below), whose sum is σ = 2623553146368. Its totient is φ = 1115861877600.

The previous prime is 1820196460387. The next prime is 1820196460427. The reversal of 1820196460407 is 7040646910281.

It is an interprime number because it is at equal distance from previous prime (1820196460387) and next prime (1820196460427).

It is not a de Polignac number, because 1820196460407 - 2⁶ = 1820196460343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1820196460427) 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, 88719219 + ... + 88739732.

It is an arithmetic number, because the mean of its divisors is an integer number (163972071648).

Almost surely, 2^{1820196460407} is an apocalyptic number.

1820196460407 is a deficient number, since it is larger than the sum of its proper divisors (803356685961).

1820196460407 is a wasteful number, since it uses less digits than its factorization.

1820196460407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177459230.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 1820196460407 in words is "one trillion, eight hundred twenty billion, one hundred ninety-six million, four hundred sixty thousand, four hundred seven".