1362679661 has 16 divisors (see below), whose sum is σ = 1619136000. Its totient is φ = 1145957904.

The previous prime is 1362679657. The next prime is 1362679663. The reversal of 1362679661 is 1669762631.

It is not a de Polignac number, because 1362679661 - 2² = 1362679657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1362679663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19301 + ... + 55658.

It is an arithmetic number, because the mean of its divisors is an integer number (101196000).

Almost surely, 2^1362679661 is an apocalyptic number.

It is an amenable number.

1362679661 is a deficient number, since it is larger than the sum of its proper divisors (256456339).

1362679661 is an frugal number, since it uses more digits than its factorization.

1362679661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75033 (or 75019 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 1362679661 is about 36914.4912060291. The cubic root of 1362679661 is about 1108.6588409263.

The spelling of 1362679661 in words is "one billion, three hundred sixty-two million, six hundred seventy-nine thousand, six hundred sixty-one".