1690210415144 has 16 divisors (see below), whose sum is σ = 3175227347220. Its totient is φ = 843483122560.

The previous prime is 1690210415141. The next prime is 1690210415167. The reversal of 1690210415144 is 4415140120961.

It can be written as a sum of positive squares in 2 ways, for example, as 1674078875044 + 16131540100 = 1293862^2 + 127010^2 .

It is a super-2 number, since 2×1690210415144² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1690210415098 and 1690210415107.

It is not an unprimeable number, because it can be changed into a prime (1690210415141) 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, 202756199 + ... + 202764534.

Almost surely, 2^{1690210415144} is an apocalyptic number.

It is an amenable number.

1690210415144 is a deficient number, since it is larger than the sum of its proper divisors (1485016932076).

1690210415144 is a wasteful number, since it uses less digits than its factorization.

1690210415144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405521260 (or 405521256 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 1690210415144 in words is "one trillion, six hundred ninety billion, two hundred ten million, four hundred fifteen thousand, one hundred forty-four".