1690153000 has 32 divisors (see below), whose sum is σ = 3954960360. Its totient is φ = 676060800.

The previous prime is 1690152991. The next prime is 1690153001. The reversal of 1690153000 is 3510961.

It can be written as a sum of positive squares in 4 ways, for example, as 353665636 + 1336487364 = 18806^2 + 36558^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1690153001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 844077 + ... + 846076.

Almost surely, 2^1690153000 is an apocalyptic number.

1690153000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1690153000 is an abundant number, since it is smaller than the sum of its proper divisors (2264807360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1690153000 is a wasteful number, since it uses less digits than its factorization.

1690153000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690174 (or 1690160 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1690153000 is about 41111.4704188503. The cubic root of 1690153000 is about 1191.1743697092.

Adding to 1690153000 its reverse (3510961), we get a palindrome (1693663961).

The spelling of 1690153000 in words is "one billion, six hundred ninety million, one hundred fifty-three thousand".