76161641 has 8 divisors (see below), whose sum is σ = 78153768. Its totient is φ = 74176000.

The previous prime is 76161623. The next prime is 76161677. The reversal of 76161641 is 14616167.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16933225 + 59228416 = 4115^2 + 7696^2 .

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 76161641 - 2¹⁴ = 76145257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76161598 and 76161607.

It is not an unprimeable number, because it can be changed into a prime (76161601) 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, 29981 + ... + 32421.

It is an arithmetic number, because the mean of its divisors is an integer number (9769221).

Almost surely, 2^76161641 is an apocalyptic number.

It is an amenable number.

76161641 is a deficient number, since it is larger than the sum of its proper divisors (1992127).

76161641 is a wasteful number, since it uses less digits than its factorization.

76161641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243.

The product of its digits is 6048, while the sum is 32.

The square root of 76161641 is about 8727.0637100917. The cubic root of 76161641 is about 423.8824452350.

It can be divided in two parts, 761 and 61641, that multiplied together give a square (46908801 = 6849²).

The spelling of 76161641 in words is "seventy-six million, one hundred sixty-one thousand, six hundred forty-one".