1613627690 has 8 divisors (see below), whose sum is σ = 2904529860. Its totient is φ = 645451072.

The previous prime is 1613627633. The next prime is 1613627711. The reversal of 1613627690 is 967263161.

It can be written as a sum of positive squares in 2 ways, for example, as 1307762569 + 305865121 = 36163^2 + 17489^2 .

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

It is a super-2 number, since 2×1613627690² = 5207588643869472200, which 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, 80681375 + ... + 80681394.

Almost surely, 2^1613627690 is an apocalyptic number.

1613627690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1613627690 is a deficient number, since it is larger than the sum of its proper divisors (1290902170).

1613627690 is a wasteful number, since it uses less digits than its factorization.

1613627690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161362776.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 1613627690 is about 40169.9849390064. The cubic root of 1613627690 is about 1172.9183459655.

The spelling of 1613627690 in words is "one billion, six hundred thirteen million, six hundred twenty-seven thousand, six hundred ninety".