1662635055 has 8 divisors (see below), whose sum is σ = 2660216112. Its totient is φ = 886738688.

The previous prime is 1662635041. The next prime is 1662635089. The reversal of 1662635055 is 5505362661.

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

It is a cyclic number.

It is not a de Polignac number, because 1662635055 - 2¹⁵ = 1662602287 is a prime.

It is a super-2 number, since 2×1662635055² = 5528710652229706050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55421154 + ... + 55421183.

It is an arithmetic number, because the mean of its divisors is an integer number (332527014).

Almost surely, 2^1662635055 is an apocalyptic number.

1662635055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1662635055 is a deficient number, since it is larger than the sum of its proper divisors (997581057).

1662635055 is a wasteful number, since it uses less digits than its factorization.

1662635055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110842345.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 1662635055 is about 40775.4221927867. The cubic root of 1662635055 is about 1184.6743287780.

It can be divided in two parts, 16626 and 35055, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 1662635055 in words is "one billion, six hundred sixty-two million, six hundred thirty-five thousand, fifty-five".