1690087037338 has 8 divisors (see below), whose sum is σ = 2897292064032. Its totient is φ = 724323015996.

The previous prime is 1690087037329. The next prime is 1690087037363. The reversal of 1690087037338 is 8337307800961.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1690087037338² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60360251320 + ... + 60360251347.

It is an arithmetic number, because the mean of its divisors is an integer number (362161508004).

Almost surely, 2^{1690087037338} is an apocalyptic number.

1690087037338 is a deficient number, since it is larger than the sum of its proper divisors (1207205026694).

1690087037338 is a wasteful number, since it uses less digits than its factorization.

1690087037338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120720502676.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 1690087037338 in words is "one trillion, six hundred ninety billion, eighty-seven million, thirty-seven thousand, three hundred thirty-eight".