61098958 has 16 divisors (see below), whose sum is σ = 94002480. Its totient is φ = 29768256.

The previous prime is 61098953. The next prime is 61098977. The reversal of 61098958 is 85989016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61098953) 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, 70866 + ... + 71722.

It is an arithmetic number, because the mean of its divisors is an integer number (5875155).

Almost surely, 2^61098958 is an apocalyptic number.

61098958 is a deficient number, since it is larger than the sum of its proper divisors (32903522).

61098958 is a wasteful number, since it uses less digits than its factorization.

61098958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 61098958 is about 7816.5822454574. The cubic root of 61098958 is about 393.8624710033.

The spelling of 61098958 in words is "sixty-one million, ninety-eight thousand, nine hundred fifty-eight".